Home / 53,871,406.38-80,807,110.25-12,930,845.42

Finding the Fourth Proportional to 53,871,406.38, 80,807,110.25 and 12,930,845.42

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Solution

The fourth proportional to 53,871,406.38, 80,807,110.25 and 12,930,845.42 is: 19,396,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871,406.38 : 80,807,110.25 = 12,930,845.42 : x
  2. Step 2: Convert to fraction form
    53,871,406.38/80,807,110.25 = 12,930,845.42/x
  3. Step 3: Cross multiply
    53,871,406.38x = 80,807,110.25 × 12,930,845.42
  4. Step 4: Simplify right side
    53,871,406.38x = 1,044,904,251,479,647.50
  5. Step 5: Solve for x
    x = 1,044,904,251,479,647.50/53,871,406.38
  6. Step 6: Final answer
    x = 19,396,268.29

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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.