Home / 31,516,565.64-43,513,098.60-19,771,932.84

Finding the Fourth Proportional to 31,516,565.64, 43,513,098.60 and 19,771,932.84

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Solution

The fourth proportional to 31,516,565.64, 43,513,098.60 and 19,771,932.84 is: 27,297,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516,565.64 : 43,513,098.60 = 19,771,932.84 : x
  2. Step 2: Convert to fraction form
    31,516,565.64/43,513,098.60 = 19,771,932.84/x
  3. Step 3: Cross multiply
    31,516,565.64x = 43,513,098.60 × 19,771,932.84
  4. Step 4: Simplify right side
    31,516,565.64x = 860,338,063,179,498
  5. Step 5: Solve for x
    x = 860,338,063,179,498/31,516,565.64
  6. Step 6: Final answer
    x = 27,297,963.65

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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.