Home / 25,642,081.80-38,463,122.70-7,691,185.80

Finding the Fourth Proportional to 25,642,081.80, 38,463,122.70 and 7,691,185.80

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Solution

The fourth proportional to 25,642,081.80, 38,463,122.70 and 7,691,185.80 is: 11,536,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642,081.80 : 38,463,122.70 = 7,691,185.80 : x
  2. Step 2: Convert to fraction form
    25,642,081.80/38,463,122.70 = 7,691,185.80/x
  3. Step 3: Cross multiply
    25,642,081.80x = 38,463,122.70 × 7,691,185.80
  4. Step 4: Simplify right side
    25,642,081.80x = 295,827,023,133,897.69
  5. Step 5: Solve for x
    x = 295,827,023,133,897.69/25,642,081.80
  6. Step 6: Final answer
    x = 11,536,778.70

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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.