Home / 20,440,134.20-30,666,844.29-13,644,332.40

Finding the Fourth Proportional to 20,440,134.20, 30,666,844.29 and 13,644,332.40

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Solution

The fourth proportional to 20,440,134.20, 30,666,844.29 and 13,644,332.40 is: 20,470,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,440,134.20 : 30,666,844.29 = 13,644,332.40 : x
  2. Step 2: Convert to fraction form
    20,440,134.20/30,666,844.29 = 13,644,332.40/x
  3. Step 3: Cross multiply
    20,440,134.20x = 30,666,844.29 × 13,644,332.40
  4. Step 4: Simplify right side
    20,440,134.20x = 418,428,617,151,802
  5. Step 5: Solve for x
    x = 418,428,617,151,802/20,440,134.20
  6. Step 6: Final answer
    x = 20,470,932.98

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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.