Home / 12,692,645.04-17,530,271.76-8,555,540.88

Finding the Fourth Proportional to 12,692,645.04, 17,530,271.76 and 8,555,540.88

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Solution

The fourth proportional to 12,692,645.04, 17,530,271.76 and 8,555,540.88 is: 11,816,367.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692,645.04 : 17,530,271.76 = 8,555,540.88 : x
  2. Step 2: Convert to fraction form
    12,692,645.04/17,530,271.76 = 8,555,540.88/x
  3. Step 3: Cross multiply
    12,692,645.04x = 17,530,271.76 × 8,555,540.88
  4. Step 4: Simplify right side
    12,692,645.04x = 149,980,956,680,189.56
  5. Step 5: Solve for x
    x = 149,980,956,680,189.56/12,692,645.04
  6. Step 6: Final answer
    x = 11,816,367.37

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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.