Home / 7,002,376.25-9,663,321.35-3,905,095.15

Finding the Fourth Proportional to 7,002,376.25, 9,663,321.35 and 3,905,095.15

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Solution

The fourth proportional to 7,002,376.25, 9,663,321.35 and 3,905,095.15 is: 5,389,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002,376.25 : 9,663,321.35 = 3,905,095.15 : x
  2. Step 2: Convert to fraction form
    7,002,376.25/9,663,321.35 = 3,905,095.15/x
  3. Step 3: Cross multiply
    7,002,376.25x = 9,663,321.35 × 3,905,095.15
  4. Step 4: Simplify right side
    7,002,376.25x = 37,736,189,322,380.88
  5. Step 5: Solve for x
    x = 37,736,189,322,380.88/7,002,376.25
  6. Step 6: Final answer
    x = 5,389,054.80

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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.