Home / 12,195,059.41-18,294,262.17-7,079,890.57

Finding the Fourth Proportional to 12,195,059.41, 18,294,262.17 and 7,079,890.57

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Solution

The fourth proportional to 12,195,059.41, 18,294,262.17 and 7,079,890.57 is: 10,620,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195,059.41 : 18,294,262.17 = 7,079,890.57 : x
  2. Step 2: Convert to fraction form
    12,195,059.41/18,294,262.17 = 7,079,890.57/x
  3. Step 3: Cross multiply
    12,195,059.41x = 18,294,262.17 × 7,079,890.57
  4. Step 4: Simplify right side
    12,195,059.41x = 129,521,374,222,490.75
  5. Step 5: Solve for x
    x = 129,521,374,222,490.75/12,195,059.41
  6. Step 6: Final answer
    x = 10,620,807.15

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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.