Home / 12,097,127.70-18,145,691.55-5,378,663.70

Finding the Fourth Proportional to 12,097,127.70, 18,145,691.55 and 5,378,663.70

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Solution

The fourth proportional to 12,097,127.70, 18,145,691.55 and 5,378,663.70 is: 8,067,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,127.70 : 18,145,691.55 = 5,378,663.70 : x
  2. Step 2: Convert to fraction form
    12,097,127.70/18,145,691.55 = 5,378,663.70/x
  3. Step 3: Cross multiply
    12,097,127.70x = 18,145,691.55 × 5,378,663.70
  4. Step 4: Simplify right side
    12,097,127.70x = 97,599,572,451,381.75
  5. Step 5: Solve for x
    x = 97,599,572,451,381.75/12,097,127.70
  6. Step 6: Final answer
    x = 8,067,995.55

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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.