Home / 15,120,140.20-22,680,210.30-5,022,761.20

Finding the Fourth Proportional to 15,120,140.20, 22,680,210.30 and 5,022,761.20

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Solution

The fourth proportional to 15,120,140.20, 22,680,210.30 and 5,022,761.20 is: 7,534,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120,140.20 : 22,680,210.30 = 5,022,761.20 : x
  2. Step 2: Convert to fraction form
    15,120,140.20/22,680,210.30 = 5,022,761.20/x
  3. Step 3: Cross multiply
    15,120,140.20x = 22,680,210.30 × 5,022,761.20
  4. Step 4: Simplify right side
    15,120,140.20x = 113,917,280,302,680.38
  5. Step 5: Solve for x
    x = 113,917,280,302,680.38/15,120,140.20
  6. Step 6: Final answer
    x = 7,534,141.80

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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.