Home / 8,119,876.78-12,182,534.24-2,655,223.63

Finding the Fourth Proportional to 8,119,876.78, 12,182,534.24 and 2,655,223.63

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Solution

The fourth proportional to 8,119,876.78, 12,182,534.24 and 2,655,223.63 is: 3,983,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,876.78 : 12,182,534.24 = 2,655,223.63 : x
  2. Step 2: Convert to fraction form
    8,119,876.78/12,182,534.24 = 2,655,223.63/x
  3. Step 3: Cross multiply
    8,119,876.78x = 12,182,534.24 × 2,655,223.63
  4. Step 4: Simplify right side
    8,119,876.78x = 32,347,352,787,332.09
  5. Step 5: Solve for x
    x = 32,347,352,787,332.09/8,119,876.78
  6. Step 6: Final answer
    x = 3,983,724.59

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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.