Home / 7,747,445.40-11,621,168.10-7,399,080.60

Finding the Fourth Proportional to 7,747,445.40, 11,621,168.10 and 7,399,080.60

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Solution

The fourth proportional to 7,747,445.40, 11,621,168.10 and 7,399,080.60 is: 11,098,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747,445.40 : 11,621,168.10 = 7,399,080.60 : x
  2. Step 2: Convert to fraction form
    7,747,445.40/11,621,168.10 = 7,399,080.60/x
  3. Step 3: Cross multiply
    7,747,445.40x = 11,621,168.10 × 7,399,080.60
  4. Step 4: Simplify right side
    7,747,445.40x = 85,985,959,438,048.86
  5. Step 5: Solve for x
    x = 85,985,959,438,048.86/7,747,445.40
  6. Step 6: Final answer
    x = 11,098,620.90

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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.