Home / 22,255,170.80-30,696,801.77-15,653,760.17

Finding the Fourth Proportional to 22,255,170.80, 30,696,801.77 and 15,653,760.17

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Solution

The fourth proportional to 22,255,170.80, 30,696,801.77 and 15,653,760.17 is: 21,591,403.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255,170.80 : 30,696,801.77 = 15,653,760.17 : x
  2. Step 2: Convert to fraction form
    22,255,170.80/30,696,801.77 = 15,653,760.17/x
  3. Step 3: Cross multiply
    22,255,170.80x = 30,696,801.77 × 15,653,760.17
  4. Step 4: Simplify right side
    22,255,170.80x = 480,520,372,779,261.88
  5. Step 5: Solve for x
    x = 480,520,372,779,261.88/22,255,170.80
  6. Step 6: Final answer
    x = 21,591,403.51

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1.5x scale

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.