Home / 12,905,380.62-17,813,186.09-8,435,585.03

Finding the Fourth Proportional to 12,905,380.62, 17,813,186.09 and 8,435,585.03

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Solution

The fourth proportional to 12,905,380.62, 17,813,186.09 and 8,435,585.03 is: 11,643,565.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,905,380.62 : 17,813,186.09 = 8,435,585.03 : x
  2. Step 2: Convert to fraction form
    12,905,380.62/17,813,186.09 = 8,435,585.03/x
  3. Step 3: Cross multiply
    12,905,380.62x = 17,813,186.09 × 8,435,585.03
  4. Step 4: Simplify right side
    12,905,380.62x = 150,264,645,786,164.41
  5. Step 5: Solve for x
    x = 150,264,645,786,164.41/12,905,380.62
  6. Step 6: Final answer
    x = 11,643,565.60

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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.