Home / 12,482,158.20-18,723,237.30-10,214,676.60

Finding the Fourth Proportional to 12,482,158.20, 18,723,237.30 and 10,214,676.60

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Solution

The fourth proportional to 12,482,158.20, 18,723,237.30 and 10,214,676.60 is: 15,322,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,158.20 : 18,723,237.30 = 10,214,676.60 : x
  2. Step 2: Convert to fraction form
    12,482,158.20/18,723,237.30 = 10,214,676.60/x
  3. Step 3: Cross multiply
    12,482,158.20x = 18,723,237.30 × 10,214,676.60
  4. Step 4: Simplify right side
    12,482,158.20x = 191,251,813,924,557.19
  5. Step 5: Solve for x
    x = 191,251,813,924,557.19/12,482,158.20
  6. Step 6: Final answer
    x = 15,322,014.90

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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.