Home / 25,861,467.78-38,780,958.20-7,413,349.77

Finding the Fourth Proportional to 25,861,467.78, 38,780,958.20 and 7,413,349.77

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Solution

The fourth proportional to 25,861,467.78, 38,780,958.20 and 7,413,349.77 is: 11,116,801.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,861,467.78 : 38,780,958.20 = 7,413,349.77 : x
  2. Step 2: Convert to fraction form
    25,861,467.78/38,780,958.20 = 7,413,349.77/x
  3. Step 3: Cross multiply
    25,861,467.78x = 38,780,958.20 × 7,413,349.77
  4. Step 4: Simplify right side
    25,861,467.78x = 287,496,807,515,282.88
  5. Step 5: Solve for x
    x = 287,496,807,515,282.88/25,861,467.78
  6. Step 6: Final answer
    x = 11,116,801.64

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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.