Home / 12,335,717.66-18,428,605.86-7,982,302.40

Finding the Fourth Proportional to 12,335,717.66, 18,428,605.86 and 7,982,302.40

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Solution

The fourth proportional to 12,335,717.66, 18,428,605.86 and 7,982,302.40 is: 11,924,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335,717.66 : 18,428,605.86 = 7,982,302.40 : x
  2. Step 2: Convert to fraction form
    12,335,717.66/18,428,605.86 = 7,982,302.40/x
  3. Step 3: Cross multiply
    12,335,717.66x = 18,428,605.86 × 7,982,302.40
  4. Step 4: Simplify right side
    12,335,717.66x = 147,102,704,784,932.06
  5. Step 5: Solve for x
    x = 147,102,704,784,932.06/12,335,717.66
  6. Step 6: Final answer
    x = 11,924,940.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.