Home / 7,988,008.30-11,982,012.45-6,641,691.10

Finding the Fourth Proportional to 7,988,008.30, 11,982,012.45 and 6,641,691.10

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Solution

The fourth proportional to 7,988,008.30, 11,982,012.45 and 6,641,691.10 is: 9,962,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,008.30 : 11,982,012.45 = 6,641,691.10 : x
  2. Step 2: Convert to fraction form
    7,988,008.30/11,982,012.45 = 6,641,691.10/x
  3. Step 3: Cross multiply
    7,988,008.30x = 11,982,012.45 × 6,641,691.10
  4. Step 4: Simplify right side
    7,988,008.30x = 79,580,825,449,254.19
  5. Step 5: Solve for x
    x = 79,580,825,449,254.19/7,988,008.30
  6. Step 6: Final answer
    x = 9,962,536.65

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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.