Home / 14,666,605.20-21,991,159.80-8,990,902.80

Finding the Fourth Proportional to 14,666,605.20, 21,991,159.80 and 8,990,902.80

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Solution

The fourth proportional to 14,666,605.20, 21,991,159.80 and 8,990,902.80 is: 13,480,991.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666,605.20 : 21,991,159.80 = 8,990,902.80 : x
  2. Step 2: Convert to fraction form
    14,666,605.20/21,991,159.80 = 8,990,902.80/x
  3. Step 3: Cross multiply
    14,666,605.20x = 21,991,159.80 × 8,990,902.80
  4. Step 4: Simplify right side
    14,666,605.20x = 197,720,380,221,067.47
  5. Step 5: Solve for x
    x = 197,720,380,221,067.47/14,666,605.20
  6. Step 6: Final answer
    x = 13,480,991.51

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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.