Home / 22,171,727.17-30,374,761.52-21,342,765.70

Finding the Fourth Proportional to 22,171,727.17, 30,374,761.52 and 21,342,765.70

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Solution

The fourth proportional to 22,171,727.17, 30,374,761.52 and 21,342,765.70 is: 29,239,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171,727.17 : 30,374,761.52 = 21,342,765.70 : x
  2. Step 2: Convert to fraction form
    22,171,727.17/30,374,761.52 = 21,342,765.70/x
  3. Step 3: Cross multiply
    22,171,727.17x = 30,374,761.52 × 21,342,765.70
  4. Step 4: Simplify right side
    22,171,727.17x = 648,281,418,292,156
  5. Step 5: Solve for x
    x = 648,281,418,292,156/22,171,727.17
  6. Step 6: Final answer
    x = 29,239,103.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.