Home / 12,528,027.40-18,820,034.70-12,192,104.20

Finding the Fourth Proportional to 12,528,027.40, 18,820,034.70 and 12,192,104.20

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Solution

The fourth proportional to 12,528,027.40, 18,820,034.70 and 12,192,104.20 is: 18,315,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,027.40 : 18,820,034.70 = 12,192,104.20 : x
  2. Step 2: Convert to fraction form
    12,528,027.40/18,820,034.70 = 12,192,104.20/x
  3. Step 3: Cross multiply
    12,528,027.40x = 18,820,034.70 × 12,192,104.20
  4. Step 4: Simplify right side
    12,528,027.40x = 229,455,824,110,015.72
  5. Step 5: Solve for x
    x = 229,455,824,110,015.72/12,528,027.40
  6. Step 6: Final answer
    x = 18,315,399.29

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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.