Home / 31,906,265.20-47,871,207.60-12,750,769.60

Finding the Fourth Proportional to 31,906,265.20, 47,871,207.60 and 12,750,769.60

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Solution

The fourth proportional to 31,906,265.20, 47,871,207.60 and 12,750,769.60 is: 19,130,873.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906,265.20 : 47,871,207.60 = 12,750,769.60 : x
  2. Step 2: Convert to fraction form
    31,906,265.20/47,871,207.60 = 12,750,769.60/x
  3. Step 3: Cross multiply
    31,906,265.20x = 47,871,207.60 × 12,750,769.60
  4. Step 4: Simplify right side
    31,906,265.20x = 610,394,738,581,369
  5. Step 5: Solve for x
    x = 610,394,738,581,369/31,906,265.20
  6. Step 6: Final answer
    x = 19,130,873.98

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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.