Home / 43,608,008.30-65,412,012.45-13,311,934.70

Finding the Fourth Proportional to 43,608,008.30, 65,412,012.45 and 13,311,934.70

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Solution

The fourth proportional to 43,608,008.30, 65,412,012.45 and 13,311,934.70 is: 19,967,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,608,008.30 : 65,412,012.45 = 13,311,934.70 : x
  2. Step 2: Convert to fraction form
    43,608,008.30/65,412,012.45 = 13,311,934.70/x
  3. Step 3: Cross multiply
    43,608,008.30x = 65,412,012.45 × 13,311,934.70
  4. Step 4: Simplify right side
    43,608,008.30x = 870,760,438,329,987
  5. Step 5: Solve for x
    x = 870,760,438,329,987/43,608,008.30
  6. Step 6: Final answer
    x = 19,967,902.05

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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.