Home / 11,148,553.20-16,722,829.80-8,909,065.20

Finding the Fourth Proportional to 11,148,553.20, 16,722,829.80 and 8,909,065.20

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Solution

The fourth proportional to 11,148,553.20, 16,722,829.80 and 8,909,065.20 is: 13,363,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148,553.20 : 16,722,829.80 = 8,909,065.20 : x
  2. Step 2: Convert to fraction form
    11,148,553.20/16,722,829.80 = 8,909,065.20/x
  3. Step 3: Cross multiply
    11,148,553.20x = 16,722,829.80 × 8,909,065.20
  4. Step 4: Simplify right side
    11,148,553.20x = 148,984,781,016,702.97
  5. Step 5: Solve for x
    x = 148,984,781,016,702.97/11,148,553.20
  6. Step 6: Final answer
    x = 13,363,597.80

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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.