Home / 12,135,095.20-18,199,325.04-4,561,478.56

Finding the Fourth Proportional to 12,135,095.20, 18,199,325.04 and 4,561,478.56

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Solution

The fourth proportional to 12,135,095.20, 18,199,325.04 and 4,561,478.56 is: 6,840,970.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,095.20 : 18,199,325.04 = 4,561,478.56 : x
  2. Step 2: Convert to fraction form
    12,135,095.20/18,199,325.04 = 4,561,478.56/x
  3. Step 3: Cross multiply
    12,135,095.20x = 18,199,325.04 × 4,561,478.56
  4. Step 4: Simplify right side
    12,135,095.20x = 83,015,830,976,431.12
  5. Step 5: Solve for x
    x = 83,015,830,976,431.12/12,135,095.20
  6. Step 6: Final answer
    x = 6,840,970.72

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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.