Home / 15,400,130.88-21,251,922.56-8,524,464.96

Finding the Fourth Proportional to 15,400,130.88, 21,251,922.56 and 8,524,464.96

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Solution

The fourth proportional to 15,400,130.88, 21,251,922.56 and 8,524,464.96 is: 11,763,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,130.88 : 21,251,922.56 = 8,524,464.96 : x
  2. Step 2: Convert to fraction form
    15,400,130.88/21,251,922.56 = 8,524,464.96/x
  3. Step 3: Cross multiply
    15,400,130.88x = 21,251,922.56 × 8,524,464.96
  4. Step 4: Simplify right side
    15,400,130.88x = 181,161,269,195,353.50
  5. Step 5: Solve for x
    x = 181,161,269,195,353.50/15,400,130.88
  6. Step 6: Final answer
    x = 11,763,618.80

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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.