Home / 28,080,360-42,120,540-6,805,224

Finding the Fourth Proportional to 28,080,360, 42,120,540 and 6,805,224

Calculator

Solution

The fourth proportional to 28,080,360, 42,120,540 and 6,805,224 is: 10,207,836

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,360 : 42,120,540 = 6,805,224 : x
  2. Step 2: Convert to fraction form
    28,080,360/42,120,540 = 6,805,224/x
  3. Step 3: Cross multiply
    28,080,360x = 42,120,540 × 6,805,224
  4. Step 4: Simplify right side
    28,080,360x = 286,639,709,700,960
  5. Step 5: Solve for x
    x = 286,639,709,700,960/28,080,360
  6. Step 6: Final answer
    x = 10,207,836

Related Problems

Find fourth proportional to 14,040,180, 21,060,270 and 3,402,612
Half scale
Find fourth proportional to 56,160,720, 84,241,080 and 13,610,448
Double scale
Find fourth proportional to 28,080,361, 42,120,541.50 and 6,805,225
Similar ratio
Find fourth proportional to 42,120,540, 63,180,810 and 10,207,836
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.