Home / 7,261,125.12-10,020,270.36-3,997,873.20

Finding the Fourth Proportional to 7,261,125.12, 10,020,270.36 and 3,997,873.20

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Solution

The fourth proportional to 7,261,125.12, 10,020,270.36 and 3,997,873.20 is: 5,517,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,125.12 : 10,020,270.36 = 3,997,873.20 : x
  2. Step 2: Convert to fraction form
    7,261,125.12/10,020,270.36 = 3,997,873.20/x
  3. Step 3: Cross multiply
    7,261,125.12x = 10,020,270.36 × 3,997,873.20
  4. Step 4: Simplify right side
    7,261,125.12x = 40,059,770,328,998.35
  5. Step 5: Solve for x
    x = 40,059,770,328,998.35/7,261,125.12
  6. Step 6: Final answer
    x = 5,517,019.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.