Home / 10,204,882.45-14,082,738.54-5,621,203.82

Finding the Fourth Proportional to 10,204,882.45, 14,082,738.54 and 5,621,203.82

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Solution

The fourth proportional to 10,204,882.45, 14,082,738.54 and 5,621,203.82 is: 7,757,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204,882.45 : 14,082,738.54 = 5,621,203.82 : x
  2. Step 2: Convert to fraction form
    10,204,882.45/14,082,738.54 = 5,621,203.82/x
  3. Step 3: Cross multiply
    10,204,882.45x = 14,082,738.54 × 5,621,203.82
  4. Step 4: Simplify right side
    10,204,882.45x = 79,161,943,712,316.06
  5. Step 5: Solve for x
    x = 79,161,943,712,316.06/10,204,882.45
  6. Step 6: Final answer
    x = 7,757,261.70

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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.