Home / 7,690,308.52-11,537,987.82-3,145,179.82

Finding the Fourth Proportional to 7,690,308.52, 11,537,987.82 and 3,145,179.82

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Solution

The fourth proportional to 7,690,308.52, 11,537,987.82 and 3,145,179.82 is: 4,718,802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690,308.52 : 11,537,987.82 = 3,145,179.82 : x
  2. Step 2: Convert to fraction form
    7,690,308.52/11,537,987.82 = 3,145,179.82/x
  3. Step 3: Cross multiply
    7,690,308.52x = 11,537,987.82 × 3,145,179.82
  4. Step 4: Simplify right side
    7,690,308.52x = 36,289,046,454,869.79
  5. Step 5: Solve for x
    x = 36,289,046,454,869.79/7,690,308.52
  6. Step 6: Final answer
    x = 4,718,802.42

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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.