Home / 15,377,308.44-21,220,425.54-10,975,139.88

Finding the Fourth Proportional to 15,377,308.44, 21,220,425.54 and 10,975,139.88

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Solution

The fourth proportional to 15,377,308.44, 21,220,425.54 and 10,975,139.88 is: 15,145,507.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377,308.44 : 21,220,425.54 = 10,975,139.88 : x
  2. Step 2: Convert to fraction form
    15,377,308.44/21,220,425.54 = 10,975,139.88/x
  3. Step 3: Cross multiply
    15,377,308.44x = 21,220,425.54 × 10,975,139.88
  4. Step 4: Simplify right side
    15,377,308.44x = 232,897,138,614,624.53
  5. Step 5: Solve for x
    x = 232,897,138,614,624.53/15,377,308.44
  6. Step 6: Final answer
    x = 15,145,507.39

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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.