Home / 5,480,882.30-8,221,323.45-5,219,608.70

Finding the Fourth Proportional to 5,480,882.30, 8,221,323.45 and 5,219,608.70

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Solution

The fourth proportional to 5,480,882.30, 8,221,323.45 and 5,219,608.70 is: 7,829,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,882.30 : 8,221,323.45 = 5,219,608.70 : x
  2. Step 2: Convert to fraction form
    5,480,882.30/8,221,323.45 = 5,219,608.70/x
  3. Step 3: Cross multiply
    5,480,882.30x = 8,221,323.45 × 5,219,608.70
  4. Step 4: Simplify right side
    5,480,882.30x = 42,912,091,405,134.02
  5. Step 5: Solve for x
    x = 42,912,091,405,134.02/5,480,882.30
  6. Step 6: Final answer
    x = 7,829,413.05

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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.