Home / 21,304,659.69-31,957,940.32-6,531,691.87

Finding the Fourth Proportional to 21,304,659.69, 31,957,940.32 and 6,531,691.87

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Solution

The fourth proportional to 21,304,659.69, 31,957,940.32 and 6,531,691.87 is: 9,797,829.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304,659.69 : 31,957,940.32 = 6,531,691.87 : x
  2. Step 2: Convert to fraction form
    21,304,659.69/31,957,940.32 = 6,531,691.87/x
  3. Step 3: Cross multiply
    21,304,659.69x = 31,957,940.32 × 6,531,691.87
  4. Step 4: Simplify right side
    21,304,659.69x = 208,739,419,030,448.16
  5. Step 5: Solve for x
    x = 208,739,419,030,448.16/21,304,659.69
  6. Step 6: Final answer
    x = 9,797,829.30

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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.