Home / 9,515,188.41-13,130,972.98-5,164,274.78

Finding the Fourth Proportional to 9,515,188.41, 13,130,972.98 and 5,164,274.78

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Solution

The fourth proportional to 9,515,188.41, 13,130,972.98 and 5,164,274.78 is: 7,126,706.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,188.41 : 13,130,972.98 = 5,164,274.78 : x
  2. Step 2: Convert to fraction form
    9,515,188.41/13,130,972.98 = 5,164,274.78/x
  3. Step 3: Cross multiply
    9,515,188.41x = 13,130,972.98 × 5,164,274.78
  4. Step 4: Simplify right side
    9,515,188.41x = 67,811,952,568,151.03
  5. Step 5: Solve for x
    x = 67,811,952,568,151.03/9,515,188.41
  6. Step 6: Final answer
    x = 7,126,706.23

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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.