Home / 53,871,402.57-80,807,104.54-12,930,841.61

Finding the Fourth Proportional to 53,871,402.57, 80,807,104.54 and 12,930,841.61

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Solution

The fourth proportional to 53,871,402.57, 80,807,104.54 and 12,930,841.61 is: 19,396,262.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,871,402.57 : 80,807,104.54 = 12,930,841.61 : x
  2. Step 2: Convert to fraction form
    53,871,402.57/80,807,104.54 = 12,930,841.61/x
  3. Step 3: Cross multiply
    53,871,402.57x = 80,807,104.54 × 12,930,841.61
  4. Step 4: Simplify right side
    53,871,402.57x = 1,044,903,869,769,452
  5. Step 5: Solve for x
    x = 1,044,903,869,769,452/53,871,402.57
  6. Step 6: Final answer
    x = 19,396,262.58

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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.