Home / 12,544,526.45-17,279,191.34-8,867,120.80

Finding the Fourth Proportional to 12,544,526.45, 17,279,191.34 and 8,867,120.80

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Solution

The fourth proportional to 12,544,526.45, 17,279,191.34 and 8,867,120.80 is: 12,213,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,526.45 : 17,279,191.34 = 8,867,120.80 : x
  2. Step 2: Convert to fraction form
    12,544,526.45/17,279,191.34 = 8,867,120.80/x
  3. Step 3: Cross multiply
    12,544,526.45x = 17,279,191.34 × 8,867,120.80
  4. Step 4: Simplify right side
    12,544,526.45x = 153,216,676,960,261.69
  5. Step 5: Solve for x
    x = 153,216,676,960,261.69/12,544,526.45
  6. Step 6: Final answer
    x = 12,213,827.09

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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.