Home / 42,321,281.81-63,481,355.19-11,615,824.87

Finding the Fourth Proportional to 42,321,281.81, 63,481,355.19 and 11,615,824.87

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Solution

The fourth proportional to 42,321,281.81, 63,481,355.19 and 11,615,824.87 is: 17,423,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,321,281.81 : 63,481,355.19 = 11,615,824.87 : x
  2. Step 2: Convert to fraction form
    42,321,281.81/63,481,355.19 = 11,615,824.87/x
  3. Step 3: Cross multiply
    42,321,281.81x = 63,481,355.19 × 11,615,824.87
  4. Step 4: Simplify right side
    42,321,281.81x = 737,388,304,079,898.75
  5. Step 5: Solve for x
    x = 737,388,304,079,898.75/42,321,281.81
  6. Step 6: Final answer
    x = 17,423,581.53

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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.