Home / 12,548,234.79-18,822,286.54-6,827,335.09

Finding the Fourth Proportional to 12,548,234.79, 18,822,286.54 and 6,827,335.09

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Solution

The fourth proportional to 12,548,234.79, 18,822,286.54 and 6,827,335.09 is: 10,240,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548,234.79 : 18,822,286.54 = 6,827,335.09 : x
  2. Step 2: Convert to fraction form
    12,548,234.79/18,822,286.54 = 6,827,335.09/x
  3. Step 3: Cross multiply
    12,548,234.79x = 18,822,286.54 × 6,827,335.09
  4. Step 4: Simplify right side
    12,548,234.79x = 128,506,057,368,576.69
  5. Step 5: Solve for x
    x = 128,506,057,368,576.69/12,548,234.79
  6. Step 6: Final answer
    x = 10,240,966.92

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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.