Home / 7,261,105.20-10,891,657.80-6,788,713.20

Finding the Fourth Proportional to 7,261,105.20, 10,891,657.80 and 6,788,713.20

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Solution

The fourth proportional to 7,261,105.20, 10,891,657.80 and 6,788,713.20 is: 10,183,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,105.20 : 10,891,657.80 = 6,788,713.20 : x
  2. Step 2: Convert to fraction form
    7,261,105.20/10,891,657.80 = 6,788,713.20/x
  3. Step 3: Cross multiply
    7,261,105.20x = 10,891,657.80 × 6,788,713.20
  4. Step 4: Simplify right side
    7,261,105.20x = 73,940,341,076,742.97
  5. Step 5: Solve for x
    x = 73,940,341,076,742.97/7,261,105.20
  6. Step 6: Final answer
    x = 10,183,069.80

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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.