Home / 23,120,781.60-31,906,667.52-13,828,351.50

Finding the Fourth Proportional to 23,120,781.60, 31,906,667.52 and 13,828,351.50

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Solution

The fourth proportional to 23,120,781.60, 31,906,667.52 and 13,828,351.50 is: 19,083,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120,781.60 : 31,906,667.52 = 13,828,351.50 : x
  2. Step 2: Convert to fraction form
    23,120,781.60/31,906,667.52 = 13,828,351.50/x
  3. Step 3: Cross multiply
    23,120,781.60x = 31,906,667.52 × 13,828,351.50
  4. Step 4: Simplify right side
    23,120,781.60x = 441,216,613,660,193.25
  5. Step 5: Solve for x
    x = 441,216,613,660,193.25/23,120,781.60
  6. Step 6: Final answer
    x = 19,083,118.44

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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.