Home / 8,305,029.10-12,457,543.65-4,889,809.90

Finding the Fourth Proportional to 8,305,029.10, 12,457,543.65 and 4,889,809.90

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Solution

The fourth proportional to 8,305,029.10, 12,457,543.65 and 4,889,809.90 is: 7,334,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,029.10 : 12,457,543.65 = 4,889,809.90 : x
  2. Step 2: Convert to fraction form
    8,305,029.10/12,457,543.65 = 4,889,809.90/x
  3. Step 3: Cross multiply
    8,305,029.10x = 12,457,543.65 × 4,889,809.90
  4. Step 4: Simplify right side
    8,305,029.10x = 60,915,020,269,452.14
  5. Step 5: Solve for x
    x = 60,915,020,269,452.14/8,305,029.10
  6. Step 6: Final answer
    x = 7,334,714.85

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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.