Home / 8,167,521.70-12,248,330.10-4,122,665.20

Finding the Fourth Proportional to 8,167,521.70, 12,248,330.10 and 4,122,665.20

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Solution

The fourth proportional to 8,167,521.70, 12,248,330.10 and 4,122,665.20 is: 6,182,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,521.70 : 12,248,330.10 = 4,122,665.20 : x
  2. Step 2: Convert to fraction form
    8,167,521.70/12,248,330.10 = 4,122,665.20/x
  3. Step 3: Cross multiply
    8,167,521.70x = 12,248,330.10 × 4,122,665.20
  4. Step 4: Simplify right side
    8,167,521.70x = 50,495,764,261,382.52
  5. Step 5: Solve for x
    x = 50,495,764,261,382.52/8,167,521.70
  6. Step 6: Final answer
    x = 6,182,507.51

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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.