Home / 8,580,168-12,870,252-3,190,175.28

Finding the Fourth Proportional to 8,580,168, 12,870,252 and 3,190,175.28

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Solution

The fourth proportional to 8,580,168, 12,870,252 and 3,190,175.28 is: 4,785,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580,168 : 12,870,252 = 3,190,175.28 : x
  2. Step 2: Convert to fraction form
    8,580,168/12,870,252 = 3,190,175.28/x
  3. Step 3: Cross multiply
    8,580,168x = 12,870,252 × 3,190,175.28
  4. Step 4: Simplify right side
    8,580,168x = 41,058,359,777,770.55
  5. Step 5: Solve for x
    x = 41,058,359,777,770.55/8,580,168
  6. Step 6: Final answer
    x = 4,785,262.92

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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.