Home / 8,172,288.72-11,278,848.58-5,280,096.04

Finding the Fourth Proportional to 8,172,288.72, 11,278,848.58 and 5,280,096.04

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Solution

The fourth proportional to 8,172,288.72, 11,278,848.58 and 5,280,096.04 is: 7,287,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,288.72 : 11,278,848.58 = 5,280,096.04 : x
  2. Step 2: Convert to fraction form
    8,172,288.72/11,278,848.58 = 5,280,096.04/x
  3. Step 3: Cross multiply
    8,172,288.72x = 11,278,848.58 × 5,280,096.04
  4. Step 4: Simplify right side
    8,172,288.72x = 59,553,403,681,620.26
  5. Step 5: Solve for x
    x = 59,553,403,681,620.26/8,172,288.72
  6. Step 6: Final answer
    x = 7,287,236.87

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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.