Home / 8,121,775.10-11,213,146.02-5,226,198.16

Finding the Fourth Proportional to 8,121,775.10, 11,213,146.02 and 5,226,198.16

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Solution

The fourth proportional to 8,121,775.10, 11,213,146.02 and 5,226,198.16 is: 7,215,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,775.10 : 11,213,146.02 = 5,226,198.16 : x
  2. Step 2: Convert to fraction form
    8,121,775.10/11,213,146.02 = 5,226,198.16/x
  3. Step 3: Cross multiply
    8,121,775.10x = 11,213,146.02 × 5,226,198.16
  4. Step 4: Simplify right side
    8,121,775.10x = 58,602,123,097,535.32
  5. Step 5: Solve for x
    x = 58,602,123,097,535.32/8,121,775.10
  6. Step 6: Final answer
    x = 7,215,432.88

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