Home / 23,120,770.87-31,906,652.71-13,828,340.78

Finding the Fourth Proportional to 23,120,770.87, 31,906,652.71 and 13,828,340.78

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Solution

The fourth proportional to 23,120,770.87, 31,906,652.71 and 13,828,340.78 is: 19,083,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120,770.87 : 31,906,652.71 = 13,828,340.78 : x
  2. Step 2: Convert to fraction form
    23,120,770.87/31,906,652.71 = 13,828,340.78/x
  3. Step 3: Cross multiply
    23,120,770.87x = 31,906,652.71 × 13,828,340.78
  4. Step 4: Simplify right side
    23,120,770.87x = 441,216,066,753,848.75
  5. Step 5: Solve for x
    x = 441,216,066,753,848.75/23,120,770.87
  6. Step 6: Final answer
    x = 19,083,103.64

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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.