Home / 7,260,021.20-10,890,031.80-6,941,156.60

Finding the Fourth Proportional to 7,260,021.20, 10,890,031.80 and 6,941,156.60

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Solution

The fourth proportional to 7,260,021.20, 10,890,031.80 and 6,941,156.60 is: 10,411,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260,021.20 : 10,890,031.80 = 6,941,156.60 : x
  2. Step 2: Convert to fraction form
    7,260,021.20/10,890,031.80 = 6,941,156.60/x
  3. Step 3: Cross multiply
    7,260,021.20x = 10,890,031.80 × 6,941,156.60
  4. Step 4: Simplify right side
    7,260,021.20x = 75,589,416,102,779.88
  5. Step 5: Solve for x
    x = 75,589,416,102,779.88/7,260,021.20
  6. Step 6: Final answer
    x = 10,411,734.90

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Similar ratio
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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.