Home / 10,781,729.40-16,172,594.10-9,158,100.60

Finding the Fourth Proportional to 10,781,729.40, 16,172,594.10 and 9,158,100.60

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Solution

The fourth proportional to 10,781,729.40, 16,172,594.10 and 9,158,100.60 is: 13,737,150.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781,729.40 : 16,172,594.10 = 9,158,100.60 : x
  2. Step 2: Convert to fraction form
    10,781,729.40/16,172,594.10 = 9,158,100.60/x
  3. Step 3: Cross multiply
    10,781,729.40x = 16,172,594.10 × 9,158,100.60
  4. Step 4: Simplify right side
    10,781,729.40x = 148,110,243,730,766.44
  5. Step 5: Solve for x
    x = 148,110,243,730,766.44/10,781,729.40
  6. Step 6: Final answer
    x = 13,737,150.90

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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.