Home / 31,892,147.91-43,997,358.14-19,502,782.95

Finding the Fourth Proportional to 31,892,147.91, 43,997,358.14 and 19,502,782.95

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Solution

The fourth proportional to 31,892,147.91, 43,997,358.14 and 19,502,782.95 is: 26,905,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892,147.91 : 43,997,358.14 = 19,502,782.95 : x
  2. Step 2: Convert to fraction form
    31,892,147.91/43,997,358.14 = 19,502,782.95/x
  3. Step 3: Cross multiply
    31,892,147.91x = 43,997,358.14 × 19,502,782.95
  4. Step 4: Simplify right side
    31,892,147.91x = 858,070,926,080,321.75
  5. Step 5: Solve for x
    x = 858,070,926,080,321.75/31,892,147.91
  6. Step 6: Final answer
    x = 26,905,397.80

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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.