Home / 12,571,786.17-17,355,342.87-8,227,508.11

Finding the Fourth Proportional to 12,571,786.17, 17,355,342.87 and 8,227,508.11

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Solution

The fourth proportional to 12,571,786.17, 17,355,342.87 and 8,227,508.11 is: 11,358,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,571,786.17 : 17,355,342.87 = 8,227,508.11 : x
  2. Step 2: Convert to fraction form
    12,571,786.17/17,355,342.87 = 8,227,508.11/x
  3. Step 3: Cross multiply
    12,571,786.17x = 17,355,342.87 × 8,227,508.11
  4. Step 4: Simplify right side
    12,571,786.17x = 142,791,224,171,367.31
  5. Step 5: Solve for x
    x = 142,791,224,171,367.31/12,571,786.17
  6. Step 6: Final answer
    x = 11,358,069.75

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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.