Home / 10,800,419.20-16,200,820.80-3,227,478.40

Finding the Fourth Proportional to 10,800,419.20, 16,200,820.80 and 3,227,478.40

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Solution

The fourth proportional to 10,800,419.20, 16,200,820.80 and 3,227,478.40 is: 4,841,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800,419.20 : 16,200,820.80 = 3,227,478.40 : x
  2. Step 2: Convert to fraction form
    10,800,419.20/16,200,820.80 = 3,227,478.40/x
  3. Step 3: Cross multiply
    10,800,419.20x = 16,200,820.80 × 3,227,478.40
  4. Step 4: Simplify right side
    10,800,419.20x = 52,287,799,194,270.72
  5. Step 5: Solve for x
    x = 52,287,799,194,270.72/10,800,419.20
  6. Step 6: Final answer
    x = 4,841,274.98

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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.