Home / 15,945,799.52-22,002,306-9,420,491.36

Finding the Fourth Proportional to 15,945,799.52, 22,002,306 and 9,420,491.36

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Solution

The fourth proportional to 15,945,799.52, 22,002,306 and 9,420,491.36 is: 12,998,566.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945,799.52 : 22,002,306 = 9,420,491.36 : x
  2. Step 2: Convert to fraction form
    15,945,799.52/22,002,306 = 9,420,491.36/x
  3. Step 3: Cross multiply
    15,945,799.52x = 22,002,306 × 9,420,491.36
  4. Step 4: Simplify right side
    15,945,799.52x = 207,272,533,573,076.16
  5. Step 5: Solve for x
    x = 207,272,533,573,076.16/15,945,799.52
  6. Step 6: Final answer
    x = 12,998,566.38

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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.