Home / 10,345,081.60-15,517,622.40-3,612,620.80

Finding the Fourth Proportional to 10,345,081.60, 15,517,622.40 and 3,612,620.80

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Solution

The fourth proportional to 10,345,081.60, 15,517,622.40 and 3,612,620.80 is: 5,418,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345,081.60 : 15,517,622.40 = 3,612,620.80 : x
  2. Step 2: Convert to fraction form
    10,345,081.60/15,517,622.40 = 3,612,620.80/x
  3. Step 3: Cross multiply
    10,345,081.60x = 15,517,622.40 × 3,612,620.80
  4. Step 4: Simplify right side
    10,345,081.60x = 56,059,285,448,785.92
  5. Step 5: Solve for x
    x = 56,059,285,448,785.92/10,345,081.60
  6. Step 6: Final answer
    x = 5,418,931.20

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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.