Home / 21,025,509.88-31,538,132.48-11,314,697.12

Finding the Fourth Proportional to 21,025,509.88, 31,538,132.48 and 11,314,697.12

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Solution

The fourth proportional to 21,025,509.88, 31,538,132.48 and 11,314,697.12 is: 16,971,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025,509.88 : 31,538,132.48 = 11,314,697.12 : x
  2. Step 2: Convert to fraction form
    21,025,509.88/31,538,132.48 = 11,314,697.12/x
  3. Step 3: Cross multiply
    21,025,509.88x = 31,538,132.48 × 11,314,697.12
  4. Step 4: Simplify right side
    21,025,509.88x = 356,844,416,741,634.44
  5. Step 5: Solve for x
    x = 356,844,416,741,634.44/21,025,509.88
  6. Step 6: Final answer
    x = 16,971,974.46

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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.