Home / 6,547,999.20-9,821,998.80-5,508,736.80

Finding the Fourth Proportional to 6,547,999.20, 9,821,998.80 and 5,508,736.80

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Solution

The fourth proportional to 6,547,999.20, 9,821,998.80 and 5,508,736.80 is: 8,263,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547,999.20 : 9,821,998.80 = 5,508,736.80 : x
  2. Step 2: Convert to fraction form
    6,547,999.20/9,821,998.80 = 5,508,736.80/x
  3. Step 3: Cross multiply
    6,547,999.20x = 9,821,998.80 × 5,508,736.80
  4. Step 4: Simplify right side
    6,547,999.20x = 54,106,806,239,115.84
  5. Step 5: Solve for x
    x = 54,106,806,239,115.84/6,547,999.20
  6. Step 6: Final answer
    x = 8,263,105.20

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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.