Home / 15,309,905.80-22,999,073.10-12,790,481.80

Finding the Fourth Proportional to 15,309,905.80, 22,999,073.10 and 12,790,481.80

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Solution

The fourth proportional to 15,309,905.80, 22,999,073.10 and 12,790,481.80 is: 19,214,306.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,309,905.80 : 22,999,073.10 = 12,790,481.80 : x
  2. Step 2: Convert to fraction form
    15,309,905.80/22,999,073.10 = 12,790,481.80/x
  3. Step 3: Cross multiply
    15,309,905.80x = 22,999,073.10 × 12,790,481.80
  4. Step 4: Simplify right side
    15,309,905.80x = 294,169,225,902,419.62
  5. Step 5: Solve for x
    x = 294,169,225,902,419.62/15,309,905.80
  6. Step 6: Final answer
    x = 19,214,306.72

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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.