Home / 22,188,274.74-30,619,248.86-12,398,799.35

Finding the Fourth Proportional to 22,188,274.74, 30,619,248.86 and 12,398,799.35

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Solution

The fourth proportional to 22,188,274.74, 30,619,248.86 and 12,398,799.35 is: 17,110,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188,274.74 : 30,619,248.86 = 12,398,799.35 : x
  2. Step 2: Convert to fraction form
    22,188,274.74/30,619,248.86 = 12,398,799.35/x
  3. Step 3: Cross multiply
    22,188,274.74x = 30,619,248.86 × 12,398,799.35
  4. Step 4: Simplify right side
    22,188,274.74x = 379,641,922,800,862.25
  5. Step 5: Solve for x
    x = 379,641,922,800,862.25/22,188,274.74
  6. Step 6: Final answer
    x = 17,110,024.43

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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.