Home / 38,687,179.59-53,388,654.58-21,046,466.53

Finding the Fourth Proportional to 38,687,179.59, 53,388,654.58 and 21,046,466.53

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Solution

The fourth proportional to 38,687,179.59, 53,388,654.58 and 21,046,466.53 is: 29,044,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687,179.59 : 53,388,654.58 = 21,046,466.53 : x
  2. Step 2: Convert to fraction form
    38,687,179.59/53,388,654.58 = 21,046,466.53/x
  3. Step 3: Cross multiply
    38,687,179.59x = 53,388,654.58 × 21,046,466.53
  4. Step 4: Simplify right side
    38,687,179.59x = 1,123,642,531,838,239.12
  5. Step 5: Solve for x
    x = 1,123,642,531,838,239.12/38,687,179.59
  6. Step 6: Final answer
    x = 29,044,312.45

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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.