Home / 9,515,171.35-13,130,949.14-5,164,257.66

Finding the Fourth Proportional to 9,515,171.35, 13,130,949.14 and 5,164,257.66

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Solution

The fourth proportional to 9,515,171.35, 13,130,949.14 and 5,164,257.66 is: 7,126,682.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,171.35 : 13,130,949.14 = 5,164,257.66 : x
  2. Step 2: Convert to fraction form
    9,515,171.35/13,130,949.14 = 5,164,257.66/x
  3. Step 3: Cross multiply
    9,515,171.35x = 13,130,949.14 × 5,164,257.66
  4. Step 4: Simplify right side
    9,515,171.35x = 67,811,604,679,315.41
  5. Step 5: Solve for x
    x = 67,811,604,679,315.41/9,515,171.35
  6. Step 6: Final answer
    x = 7,126,682.45

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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.