Home / 9,169,574.20-13,721,702.10-7,984,511.80

Finding the Fourth Proportional to 9,169,574.20, 13,721,702.10 and 7,984,511.80

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Solution

The fourth proportional to 9,169,574.20, 13,721,702.10 and 7,984,511.80 is: 11,948,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169,574.20 : 13,721,702.10 = 7,984,511.80 : x
  2. Step 2: Convert to fraction form
    9,169,574.20/13,721,702.10 = 7,984,511.80/x
  3. Step 3: Cross multiply
    9,169,574.20x = 13,721,702.10 × 7,984,511.80
  4. Step 4: Simplify right side
    9,169,574.20x = 109,561,092,333,534.78
  5. Step 5: Solve for x
    x = 109,561,092,333,534.78/9,169,574.20
  6. Step 6: Final answer
    x = 11,948,329.33

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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.