Home / 15,528,718.80-23,293,078.20-4,170,315.60

Finding the Fourth Proportional to 15,528,718.80, 23,293,078.20 and 4,170,315.60

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Solution

The fourth proportional to 15,528,718.80, 23,293,078.20 and 4,170,315.60 is: 6,255,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528,718.80 : 23,293,078.20 = 4,170,315.60 : x
  2. Step 2: Convert to fraction form
    15,528,718.80/23,293,078.20 = 4,170,315.60/x
  3. Step 3: Cross multiply
    15,528,718.80x = 23,293,078.20 × 4,170,315.60
  4. Step 4: Simplify right side
    15,528,718.80x = 97,139,487,389,479.92
  5. Step 5: Solve for x
    x = 97,139,487,389,479.92/15,528,718.80
  6. Step 6: Final answer
    x = 6,255,473.40

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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.