Home / 15,083,888.06-20,814,069.71-8,888,532.59

Finding the Fourth Proportional to 15,083,888.06, 20,814,069.71 and 8,888,532.59

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Solution

The fourth proportional to 15,083,888.06, 20,814,069.71 and 8,888,532.59 is: 12,265,175.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083,888.06 : 20,814,069.71 = 8,888,532.59 : x
  2. Step 2: Convert to fraction form
    15,083,888.06/20,814,069.71 = 8,888,532.59/x
  3. Step 3: Cross multiply
    15,083,888.06x = 20,814,069.71 × 8,888,532.59
  4. Step 4: Simplify right side
    15,083,888.06x = 185,006,536,799,353.84
  5. Step 5: Solve for x
    x = 185,006,536,799,353.84/15,083,888.06
  6. Step 6: Final answer
    x = 12,265,175.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.