Home / 31,574,067.12-43,572,212.04-17,087,379.12

Finding the Fourth Proportional to 31,574,067.12, 43,572,212.04 and 17,087,379.12

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Solution

The fourth proportional to 31,574,067.12, 43,572,212.04 and 17,087,379.12 is: 23,580,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574,067.12 : 43,572,212.04 = 17,087,379.12 : x
  2. Step 2: Convert to fraction form
    31,574,067.12/43,572,212.04 = 17,087,379.12/x
  3. Step 3: Cross multiply
    31,574,067.12x = 43,572,212.04 × 17,087,379.12
  4. Step 4: Simplify right side
    31,574,067.12x = 744,534,906,224,508.62
  5. Step 5: Solve for x
    x = 744,534,906,224,508.62/31,574,067.12
  6. Step 6: Final answer
    x = 23,580,582.87

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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.