Home / 21,134,404.80-31,693,559.04-8,996,207.04

Finding the Fourth Proportional to 21,134,404.80, 31,693,559.04 and 8,996,207.04

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Solution

The fourth proportional to 21,134,404.80, 31,693,559.04 and 8,996,207.04 is: 13,490,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134,404.80 : 31,693,559.04 = 8,996,207.04 : x
  2. Step 2: Convert to fraction form
    21,134,404.80/31,693,559.04 = 8,996,207.04/x
  3. Step 3: Cross multiply
    21,134,404.80x = 31,693,559.04 × 8,996,207.04
  4. Step 4: Simplify right side
    21,134,404.80x = 285,121,818,958,303.62
  5. Step 5: Solve for x
    x = 285,121,818,958,303.62/21,134,404.80
  6. Step 6: Final answer
    x = 13,490,884.73

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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.