Home / 18,500,294.86-27,740,880.51-8,121,265.90

Finding the Fourth Proportional to 18,500,294.86, 27,740,880.51 and 8,121,265.90

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Solution

The fourth proportional to 18,500,294.86, 27,740,880.51 and 8,121,265.90 is: 12,177,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500,294.86 : 27,740,880.51 = 8,121,265.90 : x
  2. Step 2: Convert to fraction form
    18,500,294.86/27,740,880.51 = 8,121,265.90/x
  3. Step 3: Cross multiply
    18,500,294.86x = 27,740,880.51 × 8,121,265.90
  4. Step 4: Simplify right side
    18,500,294.86x = 225,291,066,921,837.62
  5. Step 5: Solve for x
    x = 225,291,066,921,837.62/18,500,294.86
  6. Step 6: Final answer
    x = 12,177,701.42

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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.