Home / 20,844,049.80-31,294,068.30-13,304,440.20

Finding the Fourth Proportional to 20,844,049.80, 31,294,068.30 and 13,304,440.20

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Solution

The fourth proportional to 20,844,049.80, 31,294,068.30 and 13,304,440.20 is: 19,974,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844,049.80 : 31,294,068.30 = 13,304,440.20 : x
  2. Step 2: Convert to fraction form
    20,844,049.80/31,294,068.30 = 13,304,440.20/x
  3. Step 3: Cross multiply
    20,844,049.80x = 31,294,068.30 × 13,304,440.20
  4. Step 4: Simplify right side
    20,844,049.80x = 416,350,060,312,065.62
  5. Step 5: Solve for x
    x = 416,350,060,312,065.62/20,844,049.80
  6. Step 6: Final answer
    x = 19,974,528.19

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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.