Home / 8,305,623.20-12,458,434.80-3,257,098.40

Finding the Fourth Proportional to 8,305,623.20, 12,458,434.80 and 3,257,098.40

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Solution

The fourth proportional to 8,305,623.20, 12,458,434.80 and 3,257,098.40 is: 4,885,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,623.20 : 12,458,434.80 = 3,257,098.40 : x
  2. Step 2: Convert to fraction form
    8,305,623.20/12,458,434.80 = 3,257,098.40/x
  3. Step 3: Cross multiply
    8,305,623.20x = 12,458,434.80 × 3,257,098.40
  4. Step 4: Simplify right side
    8,305,623.20x = 40,578,348,053,584.32
  5. Step 5: Solve for x
    x = 40,578,348,053,584.32/8,305,623.20
  6. Step 6: Final answer
    x = 4,885,647.60

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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.