Home / 35,125,187.20-52,687,780.80-12,431,708.80

Finding the Fourth Proportional to 35,125,187.20, 52,687,780.80 and 12,431,708.80

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Solution

The fourth proportional to 35,125,187.20, 52,687,780.80 and 12,431,708.80 is: 18,647,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,125,187.20 : 52,687,780.80 = 12,431,708.80 : x
  2. Step 2: Convert to fraction form
    35,125,187.20/52,687,780.80 = 12,431,708.80/x
  3. Step 3: Cross multiply
    35,125,187.20x = 52,687,780.80 × 12,431,708.80
  4. Step 4: Simplify right side
    35,125,187.20x = 654,999,148,223,831
  5. Step 5: Solve for x
    x = 654,999,148,223,831/35,125,187.20
  6. Step 6: Final answer
    x = 18,647,563.20

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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.