Home / 13,226,277.70-18,251,255.56-7,423,938.43

Finding the Fourth Proportional to 13,226,277.70, 18,251,255.56 and 7,423,938.43

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Solution

The fourth proportional to 13,226,277.70, 18,251,255.56 and 7,423,938.43 is: 10,244,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,277.70 : 18,251,255.56 = 7,423,938.43 : x
  2. Step 2: Convert to fraction form
    13,226,277.70/18,251,255.56 = 7,423,938.43/x
  3. Step 3: Cross multiply
    13,226,277.70x = 18,251,255.56 × 7,423,938.43
  4. Step 4: Simplify right side
    13,226,277.70x = 135,496,197,497,367.06
  5. Step 5: Solve for x
    x = 135,496,197,497,367.06/13,226,277.70
  6. Step 6: Final answer
    x = 10,244,469.43

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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.