Home / 20,622,044.52-28,459,322.19-11,454,687.27

Finding the Fourth Proportional to 20,622,044.52, 28,459,322.19 and 11,454,687.27

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Solution

The fourth proportional to 20,622,044.52, 28,459,322.19 and 11,454,687.27 is: 15,807,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,622,044.52 : 28,459,322.19 = 11,454,687.27 : x
  2. Step 2: Convert to fraction form
    20,622,044.52/28,459,322.19 = 11,454,687.27/x
  3. Step 3: Cross multiply
    20,622,044.52x = 28,459,322.19 × 11,454,687.27
  4. Step 4: Simplify right side
    20,622,044.52x = 325,992,635,602,621.50
  5. Step 5: Solve for x
    x = 325,992,635,602,621.50/20,622,044.52
  6. Step 6: Final answer
    x = 15,807,968.76

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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.