Home / 53,871,342.41-80,807,014.68-12,930,781.55

Finding the Fourth Proportional to 53,871,342.41, 80,807,014.68 and 12,930,781.55

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Solution

The fourth proportional to 53,871,342.41, 80,807,014.68 and 12,930,781.55 is: 19,396,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871,342.41 : 80,807,014.68 = 12,930,781.55 : x
  2. Step 2: Convert to fraction form
    53,871,342.41/80,807,014.68 = 12,930,781.55/x
  3. Step 3: Cross multiply
    53,871,342.41x = 80,807,014.68 × 12,930,781.55
  4. Step 4: Simplify right side
    53,871,342.41x = 1,044,897,854,534,723.25
  5. Step 5: Solve for x
    x = 1,044,897,854,534,723.25/53,871,342.41
  6. Step 6: Final answer
    x = 19,396,172.58

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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.