Home / 9,381,815.07-12,940,230.48-8,609,938.47

Finding the Fourth Proportional to 9,381,815.07, 12,940,230.48 and 8,609,938.47

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Solution

The fourth proportional to 9,381,815.07, 12,940,230.48 and 8,609,938.47 is: 11,875,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381,815.07 : 12,940,230.48 = 8,609,938.47 : x
  2. Step 2: Convert to fraction form
    9,381,815.07/12,940,230.48 = 8,609,938.47/x
  3. Step 3: Cross multiply
    9,381,815.07x = 12,940,230.48 × 8,609,938.47
  4. Step 4: Simplify right side
    9,381,815.07x = 111,414,588,220,418.58
  5. Step 5: Solve for x
    x = 111,414,588,220,418.58/9,381,815.07
  6. Step 6: Final answer
    x = 11,875,589.89

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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.