Home / 13,772,167.20-20,658,250.80-12,260,512.80

Finding the Fourth Proportional to 13,772,167.20, 20,658,250.80 and 12,260,512.80

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Solution

The fourth proportional to 13,772,167.20, 20,658,250.80 and 12,260,512.80 is: 18,390,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,167.20 : 20,658,250.80 = 12,260,512.80 : x
  2. Step 2: Convert to fraction form
    13,772,167.20/20,658,250.80 = 12,260,512.80/x
  3. Step 3: Cross multiply
    13,772,167.20x = 20,658,250.80 × 12,260,512.80
  4. Step 4: Simplify right side
    13,772,167.20x = 253,280,748,359,010.25
  5. Step 5: Solve for x
    x = 253,280,748,359,010.25/13,772,167.20
  6. Step 6: Final answer
    x = 18,390,769.20

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1.5x scale

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.