Home / 7,181,724.96-9,910,765.98-3,918,537.90

Finding the Fourth Proportional to 7,181,724.96, 9,910,765.98 and 3,918,537.90

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Solution

The fourth proportional to 7,181,724.96, 9,910,765.98 and 3,918,537.90 is: 5,407,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181,724.96 : 9,910,765.98 = 3,918,537.90 : x
  2. Step 2: Convert to fraction form
    7,181,724.96/9,910,765.98 = 3,918,537.90/x
  3. Step 3: Cross multiply
    7,181,724.96x = 9,910,765.98 × 3,918,537.90
  4. Step 4: Simplify right side
    7,181,724.96x = 38,835,712,110,660.64
  5. Step 5: Solve for x
    x = 38,835,712,110,660.64/7,181,724.96
  6. Step 6: Final answer
    x = 5,407,574.41

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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.