Home / 23,120,778.45-31,906,663.15-13,828,348.36

Finding the Fourth Proportional to 23,120,778.45, 31,906,663.15 and 13,828,348.36

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Solution

The fourth proportional to 23,120,778.45, 31,906,663.15 and 13,828,348.36 is: 19,083,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120,778.45 : 31,906,663.15 = 13,828,348.36 : x
  2. Step 2: Convert to fraction form
    23,120,778.45/31,906,663.15 = 13,828,348.36/x
  3. Step 3: Cross multiply
    23,120,778.45x = 31,906,663.15 × 13,828,348.36
  4. Step 4: Simplify right side
    23,120,778.45x = 441,216,452,918,412.50
  5. Step 5: Solve for x
    x = 441,216,452,918,412.50/23,120,778.45
  6. Step 6: Final answer
    x = 19,083,114.09

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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.