Home / 20,268,281.52-27,970,255.48-10,975,867.62

Finding the Fourth Proportional to 20,268,281.52, 27,970,255.48 and 10,975,867.62

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Solution

The fourth proportional to 20,268,281.52, 27,970,255.48 and 10,975,867.62 is: 15,146,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,268,281.52 : 27,970,255.48 = 10,975,867.62 : x
  2. Step 2: Convert to fraction form
    20,268,281.52/27,970,255.48 = 10,975,867.62/x
  3. Step 3: Cross multiply
    20,268,281.52x = 27,970,255.48 × 10,975,867.62
  4. Step 4: Simplify right side
    20,268,281.52x = 306,997,821,446,059.56
  5. Step 5: Solve for x
    x = 306,997,821,446,059.56/20,268,281.52
  6. Step 6: Final answer
    x = 15,146,711.93

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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.