Home / 39,279,484.78-58,915,591.82-18,525,164.06

Finding the Fourth Proportional to 39,279,484.78, 58,915,591.82 and 18,525,164.06

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Solution

The fourth proportional to 39,279,484.78, 58,915,591.82 and 18,525,164.06 is: 27,786,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279,484.78 : 58,915,591.82 = 18,525,164.06 : x
  2. Step 2: Convert to fraction form
    39,279,484.78/58,915,591.82 = 18,525,164.06/x
  3. Step 3: Cross multiply
    39,279,484.78x = 58,915,591.82 × 18,525,164.06
  4. Step 4: Simplify right side
    39,279,484.78x = 1,091,421,004,064,868
  5. Step 5: Solve for x
    x = 1,091,421,004,064,868/39,279,484.78
  6. Step 6: Final answer
    x = 27,786,031.57

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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.