Home / 19,490,010.20-29,172,029.70-15,206,989.40

Finding the Fourth Proportional to 19,490,010.20, 29,172,029.70 and 15,206,989.40

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Solution

The fourth proportional to 19,490,010.20, 29,172,029.70 and 15,206,989.40 is: 22,761,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490,010.20 : 29,172,029.70 = 15,206,989.40 : x
  2. Step 2: Convert to fraction form
    19,490,010.20/29,172,029.70 = 15,206,989.40/x
  3. Step 3: Cross multiply
    19,490,010.20x = 29,172,029.70 × 15,206,989.40
  4. Step 4: Simplify right side
    19,490,010.20x = 443,618,746,424,385.19
  5. Step 5: Solve for x
    x = 443,618,746,424,385.19/19,490,010.20
  6. Step 6: Final answer
    x = 22,761,339.88

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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.