Home / 12,335,714.66-18,428,601.38-7,982,299.40

Finding the Fourth Proportional to 12,335,714.66, 18,428,601.38 and 7,982,299.40

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Solution

The fourth proportional to 12,335,714.66, 18,428,601.38 and 7,982,299.40 is: 11,924,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335,714.66 : 18,428,601.38 = 7,982,299.40 : x
  2. Step 2: Convert to fraction form
    12,335,714.66/18,428,601.38 = 7,982,299.40/x
  3. Step 3: Cross multiply
    12,335,714.66x = 18,428,601.38 × 7,982,299.40
  4. Step 4: Simplify right side
    12,335,714.66x = 147,102,613,606,358.66
  5. Step 5: Solve for x
    x = 147,102,613,606,358.66/12,335,714.66
  6. Step 6: Final answer
    x = 11,924,936.47

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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.