Home / 7,518,487.92-10,375,524.72-4,080,730.20

Finding the Fourth Proportional to 7,518,487.92, 10,375,524.72 and 4,080,730.20

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Solution

The fourth proportional to 7,518,487.92, 10,375,524.72 and 4,080,730.20 is: 5,631,413.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518,487.92 : 10,375,524.72 = 4,080,730.20 : x
  2. Step 2: Convert to fraction form
    7,518,487.92/10,375,524.72 = 4,080,730.20/x
  3. Step 3: Cross multiply
    7,518,487.92x = 10,375,524.72 × 4,080,730.20
  4. Step 4: Simplify right side
    7,518,487.92x = 42,339,717,065,750.55
  5. Step 5: Solve for x
    x = 42,339,717,065,750.55/7,518,487.92
  6. Step 6: Final answer
    x = 5,631,413.86

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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.