Home / 10,972,691.29-15,142,655.70-6,078,368.80

Finding the Fourth Proportional to 10,972,691.29, 15,142,655.70 and 6,078,368.80

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Solution

The fourth proportional to 10,972,691.29, 15,142,655.70 and 6,078,368.80 is: 8,388,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972,691.29 : 15,142,655.70 = 6,078,368.80 : x
  2. Step 2: Convert to fraction form
    10,972,691.29/15,142,655.70 = 6,078,368.80/x
  3. Step 3: Cross multiply
    10,972,691.29x = 15,142,655.70 × 6,078,368.80
  4. Step 4: Simplify right side
    10,972,691.29x = 92,042,645,956,022.16
  5. Step 5: Solve for x
    x = 92,042,645,956,022.16/10,972,691.29
  6. Step 6: Final answer
    x = 8,388,338.24

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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.