Home / 7,177,954.80-9,905,532.12-4,080,478.32

Finding the Fourth Proportional to 7,177,954.80, 9,905,532.12 and 4,080,478.32

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Solution

The fourth proportional to 7,177,954.80, 9,905,532.12 and 4,080,478.32 is: 5,631,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177,954.80 : 9,905,532.12 = 4,080,478.32 : x
  2. Step 2: Convert to fraction form
    7,177,954.80/9,905,532.12 = 4,080,478.32/x
  3. Step 3: Cross multiply
    7,177,954.80x = 9,905,532.12 × 4,080,478.32
  4. Step 4: Simplify right side
    7,177,954.80x = 40,419,309,063,723.63
  5. Step 5: Solve for x
    x = 40,419,309,063,723.63/7,177,954.80
  6. Step 6: Final answer
    x = 5,631,034.21

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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.