Home / 53,871,339.48-80,807,010.28-12,930,778.62

Finding the Fourth Proportional to 53,871,339.48, 80,807,010.28 and 12,930,778.62

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Solution

The fourth proportional to 53,871,339.48, 80,807,010.28 and 12,930,778.62 is: 19,396,168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871,339.48 : 80,807,010.28 = 12,930,778.62 : x
  2. Step 2: Convert to fraction form
    53,871,339.48/80,807,010.28 = 12,930,778.62/x
  3. Step 3: Cross multiply
    53,871,339.48x = 80,807,010.28 × 12,930,778.62
  4. Step 4: Simplify right side
    53,871,339.48x = 1,044,897,560,842,417.25
  5. Step 5: Solve for x
    x = 1,044,897,560,842,417.25/53,871,339.48
  6. Step 6: Final answer
    x = 19,396,168.19

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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.