Home / 10,641,856.80-15,962,785.20-6,151,821.60

Finding the Fourth Proportional to 10,641,856.80, 15,962,785.20 and 6,151,821.60

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Solution

The fourth proportional to 10,641,856.80, 15,962,785.20 and 6,151,821.60 is: 9,227,732.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641,856.80 : 15,962,785.20 = 6,151,821.60 : x
  2. Step 2: Convert to fraction form
    10,641,856.80/15,962,785.20 = 6,151,821.60/x
  3. Step 3: Cross multiply
    10,641,856.80x = 15,962,785.20 × 6,151,821.60
  4. Step 4: Simplify right side
    10,641,856.80x = 98,200,206,789,520.31
  5. Step 5: Solve for x
    x = 98,200,206,789,520.31/10,641,856.80
  6. Step 6: Final answer
    x = 9,227,732.40

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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.