Home / 31,817,511.90-43,906,930.58-19,448,315.57

Finding the Fourth Proportional to 31,817,511.90, 43,906,930.58 and 19,448,315.57

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Solution

The fourth proportional to 31,817,511.90, 43,906,930.58 and 19,448,315.57 is: 26,837,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,817,511.90 : 43,906,930.58 = 19,448,315.57 : x
  2. Step 2: Convert to fraction form
    31,817,511.90/43,906,930.58 = 19,448,315.57/x
  3. Step 3: Cross multiply
    31,817,511.90x = 43,906,930.58 × 19,448,315.57
  4. Step 4: Simplify right side
    31,817,511.90x = 853,915,841,313,147
  5. Step 5: Solve for x
    x = 853,915,841,313,147/31,817,511.90
  6. Step 6: Final answer
    x = 26,837,920.07

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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.