Home / 33,986,390.40-50,972,500.80-12,431,145.60

Finding the Fourth Proportional to 33,986,390.40, 50,972,500.80 and 12,431,145.60

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Solution

The fourth proportional to 33,986,390.40, 50,972,500.80 and 12,431,145.60 is: 18,644,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,986,390.40 : 50,972,500.80 = 12,431,145.60 : x
  2. Step 2: Convert to fraction form
    33,986,390.40/50,972,500.80 = 12,431,145.60/x
  3. Step 3: Cross multiply
    33,986,390.40x = 50,972,500.80 × 12,431,145.60
  4. Step 4: Simplify right side
    33,986,390.40x = 633,646,579,040,916.38
  5. Step 5: Solve for x
    x = 633,646,579,040,916.38/33,986,390.40
  6. Step 6: Final answer
    x = 18,644,127.00

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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.