Home / 20,178,808.62-27,847,344.18-11,012,041.86

Finding the Fourth Proportional to 20,178,808.62, 27,847,344.18 and 11,012,041.86

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Solution

The fourth proportional to 20,178,808.62, 27,847,344.18 and 11,012,041.86 is: 15,196,938.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,808.62 : 27,847,344.18 = 11,012,041.86 : x
  2. Step 2: Convert to fraction form
    20,178,808.62/27,847,344.18 = 11,012,041.86/x
  3. Step 3: Cross multiply
    20,178,808.62x = 27,847,344.18 × 11,012,041.86
  4. Step 4: Simplify right side
    20,178,808.62x = 306,656,119,799,987.38
  5. Step 5: Solve for x
    x = 306,656,119,799,987.38/20,178,808.62
  6. Step 6: Final answer
    x = 15,196,938.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.