Home / 15,400,206.72-21,252,027.36-8,524,540.80

Finding the Fourth Proportional to 15,400,206.72, 21,252,027.36 and 8,524,540.80

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Solution

The fourth proportional to 15,400,206.72, 21,252,027.36 and 8,524,540.80 is: 11,763,723.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,206.72 : 21,252,027.36 = 8,524,540.80 : x
  2. Step 2: Convert to fraction form
    15,400,206.72/21,252,027.36 = 8,524,540.80/x
  3. Step 3: Cross multiply
    15,400,206.72x = 21,252,027.36 × 8,524,540.80
  4. Step 4: Simplify right side
    15,400,206.72x = 181,163,774,313,036.31
  5. Step 5: Solve for x
    x = 181,163,774,313,036.31/15,400,206.72
  6. Step 6: Final answer
    x = 11,763,723.54

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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.