Home / 12,298,895.20-18,447,905.40-5,567,309.20

Finding the Fourth Proportional to 12,298,895.20, 18,447,905.40 and 5,567,309.20

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Solution

The fourth proportional to 12,298,895.20, 18,447,905.40 and 5,567,309.20 is: 8,350,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298,895.20 : 18,447,905.40 = 5,567,309.20 : x
  2. Step 2: Convert to fraction form
    12,298,895.20/18,447,905.40 = 5,567,309.20/x
  3. Step 3: Cross multiply
    12,298,895.20x = 18,447,905.40 × 5,567,309.20
  4. Step 4: Simplify right side
    12,298,895.20x = 102,705,193,454,149.67
  5. Step 5: Solve for x
    x = 102,705,193,454,149.67/12,298,895.20
  6. Step 6: Final answer
    x = 8,350,765.80

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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.