Home / 10,214,261.46-15,304,361.84-8,398,227.69

Finding the Fourth Proportional to 10,214,261.46, 15,304,361.84 and 8,398,227.69

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Solution

The fourth proportional to 10,214,261.46, 15,304,361.84 and 8,398,227.69 is: 12,583,339.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214,261.46 : 15,304,361.84 = 8,398,227.69 : x
  2. Step 2: Convert to fraction form
    10,214,261.46/15,304,361.84 = 8,398,227.69/x
  3. Step 3: Cross multiply
    10,214,261.46x = 15,304,361.84 × 8,398,227.69
  4. Step 4: Simplify right side
    10,214,261.46x = 128,529,515,371,969.55
  5. Step 5: Solve for x
    x = 128,529,515,371,969.55/10,214,261.46
  6. Step 6: Final answer
    x = 12,583,339.08

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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.