Home / 9,768,681.11-13,481,229.95-5,417,508.12

Finding the Fourth Proportional to 9,768,681.11, 13,481,229.95 and 5,417,508.12

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Solution

The fourth proportional to 9,768,681.11, 13,481,229.95 and 5,417,508.12 is: 7,476,410.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768,681.11 : 13,481,229.95 = 5,417,508.12 : x
  2. Step 2: Convert to fraction form
    9,768,681.11/13,481,229.95 = 5,417,508.12/x
  3. Step 3: Cross multiply
    9,768,681.11x = 13,481,229.95 × 5,417,508.12
  4. Step 4: Simplify right side
    9,768,681.11x = 73,034,672,694,624.66
  5. Step 5: Solve for x
    x = 73,034,672,694,624.66/9,768,681.11
  6. Step 6: Final answer
    x = 7,476,410.78

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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.