Home / 20,844,043.30-31,294,058.55-13,304,433.70

Finding the Fourth Proportional to 20,844,043.30, 31,294,058.55 and 13,304,433.70

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Solution

The fourth proportional to 20,844,043.30, 31,294,058.55 and 13,304,433.70 is: 19,974,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,844,043.30 : 31,294,058.55 = 13,304,433.70 : x
  2. Step 2: Convert to fraction form
    20,844,043.30/31,294,058.55 = 13,304,433.70/x
  3. Step 3: Cross multiply
    20,844,043.30x = 31,294,058.55 × 13,304,433.70
  4. Step 4: Simplify right side
    20,844,043.30x = 416,349,727,182,393.12
  5. Step 5: Solve for x
    x = 416,349,727,182,393.12/20,844,043.30
  6. Step 6: Final answer
    x = 19,974,518.44

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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.