Home / 21,304,209.37-31,905,588.37-13,604,002.95

Finding the Fourth Proportional to 21,304,209.37, 31,905,588.37 and 13,604,002.95

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Solution

The fourth proportional to 21,304,209.37, 31,905,588.37 and 13,604,002.95 is: 20,373,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304,209.37 : 31,905,588.37 = 13,604,002.95 : x
  2. Step 2: Convert to fraction form
    21,304,209.37/31,905,588.37 = 13,604,002.95/x
  3. Step 3: Cross multiply
    21,304,209.37x = 31,905,588.37 × 13,604,002.95
  4. Step 4: Simplify right side
    21,304,209.37x = 434,043,718,306,965.69
  5. Step 5: Solve for x
    x = 434,043,718,306,965.69/21,304,209.37
  6. Step 6: Final answer
    x = 20,373,613.06

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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.