Home / 10,191,871.72-15,287,807.54-3,715,432.75

Finding the Fourth Proportional to 10,191,871.72, 15,287,807.54 and 3,715,432.75

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Solution

The fourth proportional to 10,191,871.72, 15,287,807.54 and 3,715,432.75 is: 5,573,149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191,871.72 : 15,287,807.54 = 3,715,432.75 : x
  2. Step 2: Convert to fraction form
    10,191,871.72/15,287,807.54 = 3,715,432.75/x
  3. Step 3: Cross multiply
    10,191,871.72x = 15,287,807.54 × 3,715,432.75
  4. Step 4: Simplify right side
    10,191,871.72x = 56,800,820,780,882
  5. Step 5: Solve for x
    x = 56,800,820,780,882/10,191,871.72
  6. Step 6: Final answer
    x = 5,573,149.11

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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.