Home / 53,871,405.38-80,807,108.75-12,930,844.42

Finding the Fourth Proportional to 53,871,405.38, 80,807,108.75 and 12,930,844.42

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Solution

The fourth proportional to 53,871,405.38, 80,807,108.75 and 12,930,844.42 is: 19,396,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871,405.38 : 80,807,108.75 = 12,930,844.42 : x
  2. Step 2: Convert to fraction form
    53,871,405.38/80,807,108.75 = 12,930,844.42/x
  3. Step 3: Cross multiply
    53,871,405.38x = 80,807,108.75 × 12,930,844.42
  4. Step 4: Simplify right side
    53,871,405.38x = 1,044,904,151,276,270.62
  5. Step 5: Solve for x
    x = 1,044,904,151,276,270.62/53,871,405.38
  6. Step 6: Final answer
    x = 19,396,266.79

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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.