Home / 14,519,987.52-20,038,754.24-8,325,610.72

Finding the Fourth Proportional to 14,519,987.52, 20,038,754.24 and 8,325,610.72

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Solution

The fourth proportional to 14,519,987.52, 20,038,754.24 and 8,325,610.72 is: 11,490,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519,987.52 : 20,038,754.24 = 8,325,610.72 : x
  2. Step 2: Convert to fraction form
    14,519,987.52/20,038,754.24 = 8,325,610.72/x
  3. Step 3: Cross multiply
    14,519,987.52x = 20,038,754.24 × 8,325,610.72
  4. Step 4: Simplify right side
    14,519,987.52x = 166,834,867,115,989.44
  5. Step 5: Solve for x
    x = 166,834,867,115,989.44/14,519,987.52
  6. Step 6: Final answer
    x = 11,490,014.50

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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.