Home / 53,871,404.07-80,807,106.79-12,930,843.11

Finding the Fourth Proportional to 53,871,404.07, 80,807,106.79 and 12,930,843.11

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Solution

The fourth proportional to 53,871,404.07, 80,807,106.79 and 12,930,843.11 is: 19,396,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871,404.07 : 80,807,106.79 = 12,930,843.11 : x
  2. Step 2: Convert to fraction form
    53,871,404.07/80,807,106.79 = 12,930,843.11/x
  3. Step 3: Cross multiply
    53,871,404.07x = 80,807,106.79 × 12,930,843.11
  4. Step 4: Simplify right side
    53,871,404.07x = 1,044,904,020,074,505.75
  5. Step 5: Solve for x
    x = 1,044,904,020,074,505.75/53,871,404.07
  6. Step 6: Final answer
    x = 19,396,264.83

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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.