Home / 13,653,197.78-20,479,656.39-7,892,265.76

Finding the Fourth Proportional to 13,653,197.78, 20,479,656.39 and 7,892,265.76

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Solution

The fourth proportional to 13,653,197.78, 20,479,656.39 and 7,892,265.76 is: 11,838,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653,197.78 : 20,479,656.39 = 7,892,265.76 : x
  2. Step 2: Convert to fraction form
    13,653,197.78/20,479,656.39 = 7,892,265.76/x
  3. Step 3: Cross multiply
    13,653,197.78x = 20,479,656.39 × 7,892,265.76
  4. Step 4: Simplify right side
    13,653,197.78x = 161,630,890,903,362.22
  5. Step 5: Solve for x
    x = 161,630,890,903,362.22/13,653,197.78
  6. Step 6: Final answer
    x = 11,838,317.55

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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.