Home / 30,147,617.34-45,221,450.85-7,428,517.02

Finding the Fourth Proportional to 30,147,617.34, 45,221,450.85 and 7,428,517.02

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Solution

The fourth proportional to 30,147,617.34, 45,221,450.85 and 7,428,517.02 is: 11,142,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147,617.34 : 45,221,450.85 = 7,428,517.02 : x
  2. Step 2: Convert to fraction form
    30,147,617.34/45,221,450.85 = 7,428,517.02/x
  3. Step 3: Cross multiply
    30,147,617.34x = 45,221,450.85 × 7,428,517.02
  4. Step 4: Simplify right side
    30,147,617.34x = 335,928,317,308,318.44
  5. Step 5: Solve for x
    x = 335,928,317,308,318.44/30,147,617.34
  6. Step 6: Final answer
    x = 11,142,781.65

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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.