Home / 15,397,252.90-21,248,749.48-8,427,936.15

Finding the Fourth Proportional to 15,397,252.90, 21,248,749.48 and 8,427,936.15

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Solution

The fourth proportional to 15,397,252.90, 21,248,749.48 and 8,427,936.15 is: 11,630,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,397,252.90 : 21,248,749.48 = 8,427,936.15 : x
  2. Step 2: Convert to fraction form
    15,397,252.90/21,248,749.48 = 8,427,936.15/x
  3. Step 3: Cross multiply
    15,397,252.90x = 21,248,749.48 × 8,427,936.15
  4. Step 4: Simplify right side
    15,397,252.90x = 179,083,103,884,785.72
  5. Step 5: Solve for x
    x = 179,083,103,884,785.72/15,397,252.90
  6. Step 6: Final answer
    x = 11,630,847.73

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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.