Home / 20,268,281.03-27,970,254.78-10,975,867.11

Finding the Fourth Proportional to 20,268,281.03, 27,970,254.78 and 10,975,867.11

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Solution

The fourth proportional to 20,268,281.03, 27,970,254.78 and 10,975,867.11 is: 15,146,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268,281.03 : 27,970,254.78 = 10,975,867.11 : x
  2. Step 2: Convert to fraction form
    20,268,281.03/27,970,254.78 = 10,975,867.11/x
  3. Step 3: Cross multiply
    20,268,281.03x = 27,970,254.78 × 10,975,867.11
  4. Step 4: Simplify right side
    20,268,281.03x = 306,997,799,498,122.31
  5. Step 5: Solve for x
    x = 306,997,799,498,122.31/20,268,281.03
  6. Step 6: Final answer
    x = 15,146,711.21

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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.