Home / 22,116,987.88-30,451,984.12-18,802,760.68

Finding the Fourth Proportional to 22,116,987.88, 30,451,984.12 and 18,802,760.68

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Solution

The fourth proportional to 22,116,987.88, 30,451,984.12 and 18,802,760.68 is: 25,888,759.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116,987.88 : 30,451,984.12 = 18,802,760.68 : x
  2. Step 2: Convert to fraction form
    22,116,987.88/30,451,984.12 = 18,802,760.68/x
  3. Step 3: Cross multiply
    22,116,987.88x = 30,451,984.12 × 18,802,760.68
  4. Step 4: Simplify right side
    22,116,987.88x = 572,581,369,639,520.38
  5. Step 5: Solve for x
    x = 572,581,369,639,520.38/22,116,987.88
  6. Step 6: Final answer
    x = 25,888,759.03

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Double scale
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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.