Home / 12,336,005.40-18,501,966.90-4,138,546.20

Finding the Fourth Proportional to 12,336,005.40, 18,501,966.90 and 4,138,546.20

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Solution

The fourth proportional to 12,336,005.40, 18,501,966.90 and 4,138,546.20 is: 6,207,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336,005.40 : 18,501,966.90 = 4,138,546.20 : x
  2. Step 2: Convert to fraction form
    12,336,005.40/18,501,966.90 = 4,138,546.20/x
  3. Step 3: Cross multiply
    12,336,005.40x = 18,501,966.90 × 4,138,546.20
  4. Step 4: Simplify right side
    12,336,005.40x = 76,571,244,806,520.78
  5. Step 5: Solve for x
    x = 76,571,244,806,520.78/12,336,005.40
  6. Step 6: Final answer
    x = 6,207,134.51

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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.