Home / 13,523,109.86-20,287,026.90-5,949,878.78

Finding the Fourth Proportional to 13,523,109.86, 20,287,026.90 and 5,949,878.78

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Solution

The fourth proportional to 13,523,109.86, 20,287,026.90 and 5,949,878.78 is: 8,925,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523,109.86 : 20,287,026.90 = 5,949,878.78 : x
  2. Step 2: Convert to fraction form
    13,523,109.86/20,287,026.90 = 5,949,878.78/x
  3. Step 3: Cross multiply
    13,523,109.86x = 20,287,026.90 × 5,949,878.78
  4. Step 4: Simplify right side
    13,523,109.86x = 120,705,350,861,599.17
  5. Step 5: Solve for x
    x = 120,705,350,861,599.17/13,523,109.86
  6. Step 6: Final answer
    x = 8,925,857.45

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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.