Home / 31,941,082.59-47,911,601.75-7,680,001.47

Finding the Fourth Proportional to 31,941,082.59, 47,911,601.75 and 7,680,001.47

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Solution

The fourth proportional to 31,941,082.59, 47,911,601.75 and 7,680,001.47 is: 11,519,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,941,082.59 : 47,911,601.75 = 7,680,001.47 : x
  2. Step 2: Convert to fraction form
    31,941,082.59/47,911,601.75 = 7,680,001.47/x
  3. Step 3: Cross multiply
    31,941,082.59x = 47,911,601.75 × 7,680,001.47
  4. Step 4: Simplify right side
    31,941,082.59x = 367,961,171,831,654.56
  5. Step 5: Solve for x
    x = 367,961,171,831,654.56/31,941,082.59
  6. Step 6: Final answer
    x = 11,519,996.88

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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.