Home / 20,844,043.80-31,294,059.30-13,304,434.20

Finding the Fourth Proportional to 20,844,043.80, 31,294,059.30 and 13,304,434.20

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Solution

The fourth proportional to 20,844,043.80, 31,294,059.30 and 13,304,434.20 is: 19,974,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844,043.80 : 31,294,059.30 = 13,304,434.20 : x
  2. Step 2: Convert to fraction form
    20,844,043.80/31,294,059.30 = 13,304,434.20/x
  3. Step 3: Cross multiply
    20,844,043.80x = 31,294,059.30 × 13,304,434.20
  4. Step 4: Simplify right side
    20,844,043.80x = 416,349,752,807,748.06
  5. Step 5: Solve for x
    x = 416,349,752,807,748.06/20,844,043.80
  6. Step 6: Final answer
    x = 19,974,519.19

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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.