Home / 7,520,801.31-11,278,322.91-3,200,148.90

Finding the Fourth Proportional to 7,520,801.31, 11,278,322.91 and 3,200,148.90

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Solution

The fourth proportional to 7,520,801.31, 11,278,322.91 and 3,200,148.90 is: 4,798,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520,801.31 : 11,278,322.91 = 3,200,148.90 : x
  2. Step 2: Convert to fraction form
    7,520,801.31/11,278,322.91 = 3,200,148.90/x
  3. Step 3: Cross multiply
    7,520,801.31x = 11,278,322.91 × 3,200,148.90
  4. Step 4: Simplify right side
    7,520,801.31x = 36,092,312,654,281.30
  5. Step 5: Solve for x
    x = 36,092,312,654,281.30/7,520,801.31
  6. Step 6: Final answer
    x = 4,798,998.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.