Home / 7,260,015.90-10,890,023.85-3,480,879.90

Finding the Fourth Proportional to 7,260,015.90, 10,890,023.85 and 3,480,879.90

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Solution

The fourth proportional to 7,260,015.90, 10,890,023.85 and 3,480,879.90 is: 5,221,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,015.90 : 10,890,023.85 = 3,480,879.90 : x
  2. Step 2: Convert to fraction form
    7,260,015.90/10,890,023.85 = 3,480,879.90/x
  3. Step 3: Cross multiply
    7,260,015.90x = 10,890,023.85 × 3,480,879.90
  4. Step 4: Simplify right side
    7,260,015.90x = 37,906,865,129,985.61
  5. Step 5: Solve for x
    x = 37,906,865,129,985.61/7,260,015.90
  6. Step 6: Final answer
    x = 5,221,319.85

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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.