Home / 15,279,544.24-21,086,170.02-8,404,206.76

Finding the Fourth Proportional to 15,279,544.24, 21,086,170.02 and 8,404,206.76

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Solution

The fourth proportional to 15,279,544.24, 21,086,170.02 and 8,404,206.76 is: 11,598,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,279,544.24 : 21,086,170.02 = 8,404,206.76 : x
  2. Step 2: Convert to fraction form
    15,279,544.24/21,086,170.02 = 8,404,206.76/x
  3. Step 3: Cross multiply
    15,279,544.24x = 21,086,170.02 × 8,404,206.76
  4. Step 4: Simplify right side
    15,279,544.24x = 177,212,532,624,593.31
  5. Step 5: Solve for x
    x = 177,212,532,624,593.31/15,279,544.24
  6. Step 6: Final answer
    x = 11,598,024.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.