Home / 22,121,976.90-30,527,659.65-12,198,854.27

Finding the Fourth Proportional to 22,121,976.90, 30,527,659.65 and 12,198,854.27

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Solution

The fourth proportional to 22,121,976.90, 30,527,659.65 and 12,198,854.27 is: 16,834,050.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,121,976.90 : 30,527,659.65 = 12,198,854.27 : x
  2. Step 2: Convert to fraction form
    22,121,976.90/30,527,659.65 = 12,198,854.27/x
  3. Step 3: Cross multiply
    22,121,976.90x = 30,527,659.65 × 12,198,854.27
  4. Step 4: Simplify right side
    22,121,976.90x = 372,402,471,121,870.94
  5. Step 5: Solve for x
    x = 372,402,471,121,870.94/22,121,976.90
  6. Step 6: Final answer
    x = 16,834,050.27

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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.