Home / 7,154,297.92-9,872,882.40-4,057,405.12

Finding the Fourth Proportional to 7,154,297.92, 9,872,882.40 and 4,057,405.12

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Solution

The fourth proportional to 7,154,297.92, 9,872,882.40 and 4,057,405.12 is: 5,599,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,297.92 : 9,872,882.40 = 4,057,405.12 : x
  2. Step 2: Convert to fraction form
    7,154,297.92/9,872,882.40 = 4,057,405.12/x
  3. Step 3: Cross multiply
    7,154,297.92x = 9,872,882.40 × 4,057,405.12
  4. Step 4: Simplify right side
    7,154,297.92x = 40,058,283,598,917.89
  5. Step 5: Solve for x
    x = 40,058,283,598,917.89/7,154,297.92
  6. Step 6: Final answer
    x = 5,599,191.43

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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.