Home / 7,261,641.20-10,892,461.80-4,427,289.20

Finding the Fourth Proportional to 7,261,641.20, 10,892,461.80 and 4,427,289.20

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Solution

The fourth proportional to 7,261,641.20, 10,892,461.80 and 4,427,289.20 is: 6,640,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,641.20 : 10,892,461.80 = 4,427,289.20 : x
  2. Step 2: Convert to fraction form
    7,261,641.20/10,892,461.80 = 4,427,289.20/x
  3. Step 3: Cross multiply
    7,261,641.20x = 10,892,461.80 × 4,427,289.20
  4. Step 4: Simplify right side
    7,261,641.20x = 48,224,078,488,552.56
  5. Step 5: Solve for x
    x = 48,224,078,488,552.56/7,261,641.20
  6. Step 6: Final answer
    x = 6,640,933.80

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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.