Home / 6,642,025.20-9,963,037.80-6,169,633.20

Finding the Fourth Proportional to 6,642,025.20, 9,963,037.80 and 6,169,633.20

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Solution

The fourth proportional to 6,642,025.20, 9,963,037.80 and 6,169,633.20 is: 9,254,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,025.20 : 9,963,037.80 = 6,169,633.20 : x
  2. Step 2: Convert to fraction form
    6,642,025.20/9,963,037.80 = 6,169,633.20/x
  3. Step 3: Cross multiply
    6,642,025.20x = 9,963,037.80 × 6,169,633.20
  4. Step 4: Simplify right side
    6,642,025.20x = 61,468,288,783,734.97
  5. Step 5: Solve for x
    x = 61,468,288,783,734.97/6,642,025.20
  6. Step 6: Final answer
    x = 9,254,449.80

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Double scale
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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.