Home / 7,320,897.90-10,981,346.85-2,002,113.90

Finding the Fourth Proportional to 7,320,897.90, 10,981,346.85 and 2,002,113.90

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Solution

The fourth proportional to 7,320,897.90, 10,981,346.85 and 2,002,113.90 is: 3,003,170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,897.90 : 10,981,346.85 = 2,002,113.90 : x
  2. Step 2: Convert to fraction form
    7,320,897.90/10,981,346.85 = 2,002,113.90/x
  3. Step 3: Cross multiply
    7,320,897.90x = 10,981,346.85 × 2,002,113.90
  4. Step 4: Simplify right side
    7,320,897.90x = 21,985,907,169,106.21
  5. Step 5: Solve for x
    x = 21,985,907,169,106.21/7,320,897.90
  6. Step 6: Final answer
    x = 3,003,170.85

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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.