Home / 20,484,538.64-28,268,333.56-11,191,909.22

Finding the Fourth Proportional to 20,484,538.64, 28,268,333.56 and 11,191,909.22

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Solution

The fourth proportional to 20,484,538.64, 28,268,333.56 and 11,191,909.22 is: 15,444,654.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484,538.64 : 28,268,333.56 = 11,191,909.22 : x
  2. Step 2: Convert to fraction form
    20,484,538.64/28,268,333.56 = 11,191,909.22/x
  3. Step 3: Cross multiply
    20,484,538.64x = 28,268,333.56 × 11,191,909.22
  4. Step 4: Simplify right side
    20,484,538.64x = 316,376,622,806,898.19
  5. Step 5: Solve for x
    x = 316,376,622,806,898.19/20,484,538.64
  6. Step 6: Final answer
    x = 15,444,654.55

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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.