Home / 12,785,747.13-17,644,109.72-6,984,379.71

Finding the Fourth Proportional to 12,785,747.13, 17,644,109.72 and 6,984,379.71

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Solution

The fourth proportional to 12,785,747.13, 17,644,109.72 and 6,984,379.71 is: 9,638,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785,747.13 : 17,644,109.72 = 6,984,379.71 : x
  2. Step 2: Convert to fraction form
    12,785,747.13/17,644,109.72 = 6,984,379.71/x
  3. Step 3: Cross multiply
    12,785,747.13x = 17,644,109.72 × 6,984,379.71
  4. Step 4: Simplify right side
    12,785,747.13x = 123,233,161,894,459.88
  5. Step 5: Solve for x
    x = 123,233,161,894,459.88/12,785,747.13
  6. Step 6: Final answer
    x = 9,638,323.10

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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.