Home / 8,220,817.20-12,331,225.80-2,541,615.60

Finding the Fourth Proportional to 8,220,817.20, 12,331,225.80 and 2,541,615.60

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Solution

The fourth proportional to 8,220,817.20, 12,331,225.80 and 2,541,615.60 is: 3,812,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220,817.20 : 12,331,225.80 = 2,541,615.60 : x
  2. Step 2: Convert to fraction form
    8,220,817.20/12,331,225.80 = 2,541,615.60/x
  3. Step 3: Cross multiply
    8,220,817.20x = 12,331,225.80 × 2,541,615.60
  4. Step 4: Simplify right side
    8,220,817.20x = 31,341,235,860,402.48
  5. Step 5: Solve for x
    x = 31,341,235,860,402.48/8,220,817.20
  6. Step 6: Final answer
    x = 3,812,423.40

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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.