Home / 7,657,447.80-11,479,219.59-3,820,443.78

Finding the Fourth Proportional to 7,657,447.80, 11,479,219.59 and 3,820,443.78

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Solution

The fourth proportional to 7,657,447.80, 11,479,219.59 and 3,820,443.78 is: 5,727,197.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657,447.80 : 11,479,219.59 = 3,820,443.78 : x
  2. Step 2: Convert to fraction form
    7,657,447.80/11,479,219.59 = 3,820,443.78/x
  3. Step 3: Cross multiply
    7,657,447.80x = 11,479,219.59 × 3,820,443.78
  4. Step 4: Simplify right side
    7,657,447.80x = 43,855,713,081,869.65
  5. Step 5: Solve for x
    x = 43,855,713,081,869.65/7,657,447.80
  6. Step 6: Final answer
    x = 5,727,197.13

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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.