Home / 13,030,161.22-17,981,615.53-7,149,834.03

Finding the Fourth Proportional to 13,030,161.22, 17,981,615.53 and 7,149,834.03

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Solution

The fourth proportional to 13,030,161.22, 17,981,615.53 and 7,149,834.03 is: 9,866,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,161.22 : 17,981,615.53 = 7,149,834.03 : x
  2. Step 2: Convert to fraction form
    13,030,161.22/17,981,615.53 = 7,149,834.03/x
  3. Step 3: Cross multiply
    13,030,161.22x = 17,981,615.53 × 7,149,834.03
  4. Step 4: Simplify right side
    13,030,161.22x = 128,565,566,630,770.50
  5. Step 5: Solve for x
    x = 128,565,566,630,770.50/13,030,161.22
  6. Step 6: Final answer
    x = 9,866,767.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.