Home / 10,681,391.70-14,740,239.07-5,786,578.78

Finding the Fourth Proportional to 10,681,391.70, 14,740,239.07 and 5,786,578.78

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Solution

The fourth proportional to 10,681,391.70, 14,740,239.07 and 5,786,578.78 is: 7,985,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681,391.70 : 14,740,239.07 = 5,786,578.78 : x
  2. Step 2: Convert to fraction form
    10,681,391.70/14,740,239.07 = 5,786,578.78/x
  3. Step 3: Cross multiply
    10,681,391.70x = 14,740,239.07 × 5,786,578.78
  4. Step 4: Simplify right side
    10,681,391.70x = 85,295,554,584,971.55
  5. Step 5: Solve for x
    x = 85,295,554,584,971.55/10,681,391.70
  6. Step 6: Final answer
    x = 7,985,434.57

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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.