Home / 21,304,898.40-31,941,601.20-11,731,087.20

Finding the Fourth Proportional to 21,304,898.40, 31,941,601.20 and 11,731,087.20

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Solution

The fourth proportional to 21,304,898.40, 31,941,601.20 and 11,731,087.20 is: 17,587,960.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304,898.40 : 31,941,601.20 = 11,731,087.20 : x
  2. Step 2: Convert to fraction form
    21,304,898.40/31,941,601.20 = 11,731,087.20/x
  3. Step 3: Cross multiply
    21,304,898.40x = 31,941,601.20 × 11,731,087.20
  4. Step 4: Simplify right side
    21,304,898.40x = 374,709,708,984,824.62
  5. Step 5: Solve for x
    x = 374,709,708,984,824.62/21,304,898.40
  6. Step 6: Final answer
    x = 17,587,960.38

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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.