Home / 31,219,590.33-43,077,895.07-19,608,883.29

Finding the Fourth Proportional to 31,219,590.33, 43,077,895.07 and 19,608,883.29

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Solution

The fourth proportional to 31,219,590.33, 43,077,895.07 and 19,608,883.29 is: 27,057,030.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,219,590.33 : 43,077,895.07 = 19,608,883.29 : x
  2. Step 2: Convert to fraction form
    31,219,590.33/43,077,895.07 = 19,608,883.29/x
  3. Step 3: Cross multiply
    31,219,590.33x = 43,077,895.07 × 19,608,883.29
  4. Step 4: Simplify right side
    31,219,590.33x = 844,709,416,708,451.88
  5. Step 5: Solve for x
    x = 844,709,416,708,451.88/31,219,590.33
  6. Step 6: Final answer
    x = 27,057,030.79

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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.