Home / 25,612,860.11-38,421,981.54-8,342,405.87

Finding the Fourth Proportional to 25,612,860.11, 38,421,981.54 and 8,342,405.87

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Solution

The fourth proportional to 25,612,860.11, 38,421,981.54 and 8,342,405.87 is: 12,514,485.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,612,860.11 : 38,421,981.54 = 8,342,405.87 : x
  2. Step 2: Convert to fraction form
    25,612,860.11/38,421,981.54 = 8,342,405.87/x
  3. Step 3: Cross multiply
    25,612,860.11x = 38,421,981.54 × 8,342,405.87
  4. Step 4: Simplify right side
    25,612,860.11x = 320,531,764,336,327.62
  5. Step 5: Solve for x
    x = 320,531,764,336,327.62/25,612,860.11
  6. Step 6: Final answer
    x = 12,514,485.42

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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.