Home / 7,476,979.80-11,215,469.70-4,607,198.40

Finding the Fourth Proportional to 7,476,979.80, 11,215,469.70 and 4,607,198.40

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Solution

The fourth proportional to 7,476,979.80, 11,215,469.70 and 4,607,198.40 is: 6,910,797.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476,979.80 : 11,215,469.70 = 4,607,198.40 : x
  2. Step 2: Convert to fraction form
    7,476,979.80/11,215,469.70 = 4,607,198.40/x
  3. Step 3: Cross multiply
    7,476,979.80x = 11,215,469.70 × 4,607,198.40
  4. Step 4: Simplify right side
    7,476,979.80x = 51,671,894,057,088.48
  5. Step 5: Solve for x
    x = 51,671,894,057,088.48/7,476,979.80
  6. Step 6: Final answer
    x = 6,910,797.60

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Similar ratio
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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.