Home / 22,179,401.78-30,594,801.20-13,352,713.52

Finding the Fourth Proportional to 22,179,401.78, 30,594,801.20 and 13,352,713.52

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Solution

The fourth proportional to 22,179,401.78, 30,594,801.20 and 13,352,713.52 is: 18,419,054.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179,401.78 : 30,594,801.20 = 13,352,713.52 : x
  2. Step 2: Convert to fraction form
    22,179,401.78/30,594,801.20 = 13,352,713.52/x
  3. Step 3: Cross multiply
    22,179,401.78x = 30,594,801.20 × 13,352,713.52
  4. Step 4: Simplify right side
    22,179,401.78x = 408,523,615,624,952.19
  5. Step 5: Solve for x
    x = 408,523,615,624,952.19/22,179,401.78
  6. Step 6: Final answer
    x = 18,419,054.75

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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.