Home / 7,161,464.88-9,882,947.52-3,898,373.04

Finding the Fourth Proportional to 7,161,464.88, 9,882,947.52 and 3,898,373.04

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Solution

The fourth proportional to 7,161,464.88, 9,882,947.52 and 3,898,373.04 is: 5,379,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,464.88 : 9,882,947.52 = 3,898,373.04 : x
  2. Step 2: Convert to fraction form
    7,161,464.88/9,882,947.52 = 3,898,373.04/x
  3. Step 3: Cross multiply
    7,161,464.88x = 9,882,947.52 × 3,898,373.04
  4. Step 4: Simplify right side
    7,161,464.88x = 38,527,416,167,702.86
  5. Step 5: Solve for x
    x = 38,527,416,167,702.86/7,161,464.88
  6. Step 6: Final answer
    x = 5,379,823.38

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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.