Home / 12,129,996.92-18,194,943.54-3,154,523

Finding the Fourth Proportional to 12,129,996.92, 18,194,943.54 and 3,154,523

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Solution

The fourth proportional to 12,129,996.92, 18,194,943.54 and 3,154,523 is: 4,731,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,996.92 : 18,194,943.54 = 3,154,523 : x
  2. Step 2: Convert to fraction form
    12,129,996.92/18,194,943.54 = 3,154,523/x
  3. Step 3: Cross multiply
    12,129,996.92x = 18,194,943.54 × 3,154,523
  4. Step 4: Simplify right side
    12,129,996.92x = 57,396,367,880,631.41
  5. Step 5: Solve for x
    x = 57,396,367,880,631.41/12,129,996.92
  6. Step 6: Final answer
    x = 4,731,771.02

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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.