Home / 21,033,144-29,025,738.72-11,375,352

Finding the Fourth Proportional to 21,033,144, 29,025,738.72 and 11,375,352

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Solution

The fourth proportional to 21,033,144, 29,025,738.72 and 11,375,352 is: 15,697,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,033,144 : 29,025,738.72 = 11,375,352 : x
  2. Step 2: Convert to fraction form
    21,033,144/29,025,738.72 = 11,375,352/x
  3. Step 3: Cross multiply
    21,033,144x = 29,025,738.72 × 11,375,352
  4. Step 4: Simplify right side
    21,033,144x = 330,177,995,000,029.44
  5. Step 5: Solve for x
    x = 330,177,995,000,029.44/21,033,144
  6. Step 6: Final answer
    x = 15,697,985.76

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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.