Home / 12,546,825.80-18,820,238.70-12,294,883.40

Finding the Fourth Proportional to 12,546,825.80, 18,820,238.70 and 12,294,883.40

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Solution

The fourth proportional to 12,546,825.80, 18,820,238.70 and 12,294,883.40 is: 18,442,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546,825.80 : 18,820,238.70 = 12,294,883.40 : x
  2. Step 2: Convert to fraction form
    12,546,825.80/18,820,238.70 = 12,294,883.40/x
  3. Step 3: Cross multiply
    12,546,825.80x = 18,820,238.70 × 12,294,883.40
  4. Step 4: Simplify right side
    12,546,825.80x = 231,392,640,376,667.56
  5. Step 5: Solve for x
    x = 231,392,640,376,667.56/12,546,825.80
  6. Step 6: Final answer
    x = 18,442,325.10

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1.5x scale

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.