Home / 7,170,816.40-10,755,965.40-2,910,864.40

Finding the Fourth Proportional to 7,170,816.40, 10,755,965.40 and 2,910,864.40

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Solution

The fourth proportional to 7,170,816.40, 10,755,965.40 and 2,910,864.40 is: 4,366,191.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170,816.40 : 10,755,965.40 = 2,910,864.40 : x
  2. Step 2: Convert to fraction form
    7,170,816.40/10,755,965.40 = 2,910,864.40/x
  3. Step 3: Cross multiply
    7,170,816.40x = 10,755,965.40 × 2,910,864.40
  4. Step 4: Simplify right side
    7,170,816.40x = 31,309,156,770,491.76
  5. Step 5: Solve for x
    x = 31,309,156,770,491.76/7,170,816.40
  6. Step 6: Final answer
    x = 4,366,191.38

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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.