Home / 53,871,407.38-80,807,111.75-12,930,846.42

Finding the Fourth Proportional to 53,871,407.38, 80,807,111.75 and 12,930,846.42

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Solution

The fourth proportional to 53,871,407.38, 80,807,111.75 and 12,930,846.42 is: 19,396,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871,407.38 : 80,807,111.75 = 12,930,846.42 : x
  2. Step 2: Convert to fraction form
    53,871,407.38/80,807,111.75 = 12,930,846.42/x
  3. Step 3: Cross multiply
    53,871,407.38x = 80,807,111.75 × 12,930,846.42
  4. Step 4: Simplify right side
    53,871,407.38x = 1,044,904,351,683,027.38
  5. Step 5: Solve for x
    x = 1,044,904,351,683,027.38/53,871,407.38
  6. Step 6: Final answer
    x = 19,396,269.79

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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.