Home / 10,891,809.20-16,337,713.80-6,860,730.80

Finding the Fourth Proportional to 10,891,809.20, 16,337,713.80 and 6,860,730.80

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Solution

The fourth proportional to 10,891,809.20, 16,337,713.80 and 6,860,730.80 is: 10,291,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,809.20 : 16,337,713.80 = 6,860,730.80 : x
  2. Step 2: Convert to fraction form
    10,891,809.20/16,337,713.80 = 6,860,730.80/x
  3. Step 3: Cross multiply
    10,891,809.20x = 16,337,713.80 × 6,860,730.80
  4. Step 4: Simplify right side
    10,891,809.20x = 112,088,656,269,245.05
  5. Step 5: Solve for x
    x = 112,088,656,269,245.05/10,891,809.20
  6. Step 6: Final answer
    x = 10,291,096.20

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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.