Home / 19,419,996.48-29,133,752.80-7,451,801.92

Finding the Fourth Proportional to 19,419,996.48, 29,133,752.80 and 7,451,801.92

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Solution

The fourth proportional to 19,419,996.48, 29,133,752.80 and 7,451,801.92 is: 11,179,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,996.48 : 29,133,752.80 = 7,451,801.92 : x
  2. Step 2: Convert to fraction form
    19,419,996.48/29,133,752.80 = 7,451,801.92/x
  3. Step 3: Cross multiply
    19,419,996.48x = 29,133,752.80 × 7,451,801.92
  4. Step 4: Simplify right side
    19,419,996.48x = 217,098,955,051,845.38
  5. Step 5: Solve for x
    x = 217,098,955,051,845.38/19,419,996.48
  6. Step 6: Final answer
    x = 11,179,144.92

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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.