Home / 38,203,210.80-57,304,816.20-12,646,803.60

Finding the Fourth Proportional to 38,203,210.80, 57,304,816.20 and 12,646,803.60

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Solution

The fourth proportional to 38,203,210.80, 57,304,816.20 and 12,646,803.60 is: 18,970,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,203,210.80 : 57,304,816.20 = 12,646,803.60 : x
  2. Step 2: Convert to fraction form
    38,203,210.80/57,304,816.20 = 12,646,803.60/x
  3. Step 3: Cross multiply
    38,203,210.80x = 57,304,816.20 × 12,646,803.60
  4. Step 4: Simplify right side
    38,203,210.80x = 724,722,755,815,498.38
  5. Step 5: Solve for x
    x = 724,722,755,815,498.38/38,203,210.80
  6. Step 6: Final answer
    x = 18,970,205.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.