Home / 21,326,273.83-32,007,356.15-19,981,063.80

Finding the Fourth Proportional to 21,326,273.83, 32,007,356.15 and 19,981,063.80

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Solution

The fourth proportional to 21,326,273.83, 32,007,356.15 and 19,981,063.80 is: 29,988,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326,273.83 : 32,007,356.15 = 19,981,063.80 : x
  2. Step 2: Convert to fraction form
    21,326,273.83/32,007,356.15 = 19,981,063.80/x
  3. Step 3: Cross multiply
    21,326,273.83x = 32,007,356.15 × 19,981,063.80
  4. Step 4: Simplify right side
    21,326,273.83x = 639,541,025,202,567.12
  5. Step 5: Solve for x
    x = 639,541,025,202,567.12/21,326,273.83
  6. Step 6: Final answer
    x = 29,988,409.15

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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.