Home / 12,326,008.20-18,473,868.78-6,923,301.72

Finding the Fourth Proportional to 12,326,008.20, 18,473,868.78 and 6,923,301.72

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Solution

The fourth proportional to 12,326,008.20, 18,473,868.78 and 6,923,301.72 is: 10,376,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326,008.20 : 18,473,868.78 = 6,923,301.72 : x
  2. Step 2: Convert to fraction form
    12,326,008.20/18,473,868.78 = 6,923,301.72/x
  3. Step 3: Cross multiply
    12,326,008.20x = 18,473,868.78 × 6,923,301.72
  4. Step 4: Simplify right side
    12,326,008.20x = 127,900,167,499,628.31
  5. Step 5: Solve for x
    x = 127,900,167,499,628.31/12,326,008.20
  6. Step 6: Final answer
    x = 10,376,446.73

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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.