Home / 20,207,773.95-30,311,660.93-12,145,617.15

Finding the Fourth Proportional to 20,207,773.95, 30,311,660.93 and 12,145,617.15

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Solution

The fourth proportional to 20,207,773.95, 30,311,660.93 and 12,145,617.15 is: 18,218,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207,773.95 : 30,311,660.93 = 12,145,617.15 : x
  2. Step 2: Convert to fraction form
    20,207,773.95/30,311,660.93 = 12,145,617.15/x
  3. Step 3: Cross multiply
    20,207,773.95x = 30,311,660.93 × 12,145,617.15
  4. Step 4: Simplify right side
    20,207,773.95x = 368,153,828,775,664.88
  5. Step 5: Solve for x
    x = 368,153,828,775,664.88/20,207,773.95
  6. Step 6: Final answer
    x = 18,218,425.73

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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.