Home / 12,324,259.92-18,488,072.18-5,134,112.32

Finding the Fourth Proportional to 12,324,259.92, 18,488,072.18 and 5,134,112.32

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Solution

The fourth proportional to 12,324,259.92, 18,488,072.18 and 5,134,112.32 is: 7,701,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324,259.92 : 18,488,072.18 = 5,134,112.32 : x
  2. Step 2: Convert to fraction form
    12,324,259.92/18,488,072.18 = 5,134,112.32/x
  3. Step 3: Cross multiply
    12,324,259.92x = 18,488,072.18 × 5,134,112.32
  4. Step 4: Simplify right side
    12,324,259.92x = 94,919,839,152,387.27
  5. Step 5: Solve for x
    x = 94,919,839,152,387.27/12,324,259.92
  6. Step 6: Final answer
    x = 7,701,869.30

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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.