Home / 42,541,237.80-63,811,856.70-12,252,162.60

Finding the Fourth Proportional to 42,541,237.80, 63,811,856.70 and 12,252,162.60

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Solution

The fourth proportional to 42,541,237.80, 63,811,856.70 and 12,252,162.60 is: 18,378,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,541,237.80 : 63,811,856.70 = 12,252,162.60 : x
  2. Step 2: Convert to fraction form
    42,541,237.80/63,811,856.70 = 12,252,162.60/x
  3. Step 3: Cross multiply
    42,541,237.80x = 63,811,856.70 × 12,252,162.60
  4. Step 4: Simplify right side
    42,541,237.80x = 781,833,244,096,299.38
  5. Step 5: Solve for x
    x = 781,833,244,096,299.38/42,541,237.80
  6. Step 6: Final answer
    x = 18,378,243.90

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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.