Home / 7,261,639.20-10,892,458.80-4,427,287.20

Finding the Fourth Proportional to 7,261,639.20, 10,892,458.80 and 4,427,287.20

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Solution

The fourth proportional to 7,261,639.20, 10,892,458.80 and 4,427,287.20 is: 6,640,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,639.20 : 10,892,458.80 = 4,427,287.20 : x
  2. Step 2: Convert to fraction form
    7,261,639.20/10,892,458.80 = 4,427,287.20/x
  3. Step 3: Cross multiply
    7,261,639.20x = 10,892,458.80 × 4,427,287.20
  4. Step 4: Simplify right side
    7,261,639.20x = 48,224,043,421,767.37
  5. Step 5: Solve for x
    x = 48,224,043,421,767.37/7,261,639.20
  6. Step 6: Final answer
    x = 6,640,930.80

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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.