Home / 31,598,577.09-43,581,844.67-21,825,377.10

Finding the Fourth Proportional to 31,598,577.09, 43,581,844.67 and 21,825,377.10

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Solution

The fourth proportional to 31,598,577.09, 43,581,844.67 and 21,825,377.10 is: 30,102,310.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,598,577.09 : 43,581,844.67 = 21,825,377.10 : x
  2. Step 2: Convert to fraction form
    31,598,577.09/43,581,844.67 = 21,825,377.10/x
  3. Step 3: Cross multiply
    31,598,577.09x = 43,581,844.67 × 21,825,377.10
  4. Step 4: Simplify right side
    31,598,577.09x = 951,190,194,527,248.25
  5. Step 5: Solve for x
    x = 951,190,194,527,248.25/31,598,577.09
  6. Step 6: Final answer
    x = 30,102,310.99

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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.