Home / 42,608,102.56-63,912,620.40-12,316,228

Finding the Fourth Proportional to 42,608,102.56, 63,912,620.40 and 12,316,228

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Solution

The fourth proportional to 42,608,102.56, 63,912,620.40 and 12,316,228 is: 18,474,476.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,608,102.56 : 63,912,620.40 = 12,316,228 : x
  2. Step 2: Convert to fraction form
    42,608,102.56/63,912,620.40 = 12,316,228/x
  3. Step 3: Cross multiply
    42,608,102.56x = 63,912,620.40 × 12,316,228
  4. Step 4: Simplify right side
    42,608,102.56x = 787,162,404,923,851.12
  5. Step 5: Solve for x
    x = 787,162,404,923,851.12/42,608,102.56
  6. Step 6: Final answer
    x = 18,474,476.86

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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.