Home / 7,210,221.20-9,950,104.50-3,902,514.85

Finding the Fourth Proportional to 7,210,221.20, 9,950,104.50 and 3,902,514.85

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Solution

The fourth proportional to 7,210,221.20, 9,950,104.50 and 3,902,514.85 is: 5,385,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,221.20 : 9,950,104.50 = 3,902,514.85 : x
  2. Step 2: Convert to fraction form
    7,210,221.20/9,950,104.50 = 3,902,514.85/x
  3. Step 3: Cross multiply
    7,210,221.20x = 9,950,104.50 × 3,902,514.85
  4. Step 4: Simplify right side
    7,210,221.20x = 38,830,430,629,017.16
  5. Step 5: Solve for x
    x = 38,830,430,629,017.16/7,210,221.20
  6. Step 6: Final answer
    x = 5,385,470.09

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1.5x scale

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.