Home / 12,099,373.20-18,149,059.80-9,859,885.20

Finding the Fourth Proportional to 12,099,373.20, 18,149,059.80 and 9,859,885.20

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Solution

The fourth proportional to 12,099,373.20, 18,149,059.80 and 9,859,885.20 is: 14,789,827.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,373.20 : 18,149,059.80 = 9,859,885.20 : x
  2. Step 2: Convert to fraction form
    12,099,373.20/18,149,059.80 = 9,859,885.20/x
  3. Step 3: Cross multiply
    12,099,373.20x = 18,149,059.80 × 9,859,885.20
  4. Step 4: Simplify right side
    12,099,373.20x = 178,947,646,115,934.97
  5. Step 5: Solve for x
    x = 178,947,646,115,934.97/12,099,373.20
  6. Step 6: Final answer
    x = 14,789,827.80

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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.