Home / 8,278,640.40-12,410,573.40-3,228,776.40

Finding the Fourth Proportional to 8,278,640.40, 12,410,573.40 and 3,228,776.40

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Solution

The fourth proportional to 8,278,640.40, 12,410,573.40 and 3,228,776.40 is: 4,840,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,640.40 : 12,410,573.40 = 3,228,776.40 : x
  2. Step 2: Convert to fraction form
    8,278,640.40/12,410,573.40 = 3,228,776.40/x
  3. Step 3: Cross multiply
    8,278,640.40x = 12,410,573.40 × 3,228,776.40
  4. Step 4: Simplify right side
    8,278,640.40x = 40,070,966,504,387.76
  5. Step 5: Solve for x
    x = 40,070,966,504,387.76/8,278,640.40
  6. Step 6: Final answer
    x = 4,840,283.50

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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.