Home / 31,906,266.20-47,871,209.10-12,750,770.60

Finding the Fourth Proportional to 31,906,266.20, 47,871,209.10 and 12,750,770.60

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Solution

The fourth proportional to 31,906,266.20, 47,871,209.10 and 12,750,770.60 is: 19,130,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906,266.20 : 47,871,209.10 = 12,750,770.60 : x
  2. Step 2: Convert to fraction form
    31,906,266.20/47,871,209.10 = 12,750,770.60/x
  3. Step 3: Cross multiply
    31,906,266.20x = 47,871,209.10 × 12,750,770.60
  4. Step 4: Simplify right side
    31,906,266.20x = 610,394,805,578,732.50
  5. Step 5: Solve for x
    x = 610,394,805,578,732.50/31,906,266.20
  6. Step 6: Final answer
    x = 19,130,875.48

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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.