Home / 18,500,611.86-27,734,970.51-7,149,025.62

Finding the Fourth Proportional to 18,500,611.86, 27,734,970.51 and 7,149,025.62

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Solution

The fourth proportional to 18,500,611.86, 27,734,970.51 and 7,149,025.62 is: 10,717,376.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500,611.86 : 27,734,970.51 = 7,149,025.62 : x
  2. Step 2: Convert to fraction form
    18,500,611.86/27,734,970.51 = 7,149,025.62/x
  3. Step 3: Cross multiply
    18,500,611.86x = 27,734,970.51 × 7,149,025.62
  4. Step 4: Simplify right side
    18,500,611.86x = 198,278,014,745,934.47
  5. Step 5: Solve for x
    x = 198,278,014,745,934.47/18,500,611.86
  6. Step 6: Final answer
    x = 10,717,376.07

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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.