Home / 18,424,757.42-25,426,023.28-10,165,167.86

Finding the Fourth Proportional to 18,424,757.42, 25,426,023.28 and 10,165,167.86

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Solution

The fourth proportional to 18,424,757.42, 25,426,023.28 and 10,165,167.86 is: 14,027,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424,757.42 : 25,426,023.28 = 10,165,167.86 : x
  2. Step 2: Convert to fraction form
    18,424,757.42/25,426,023.28 = 10,165,167.86/x
  3. Step 3: Cross multiply
    18,424,757.42x = 25,426,023.28 × 10,165,167.86
  4. Step 4: Simplify right side
    18,424,757.42x = 258,459,794,653,467.78
  5. Step 5: Solve for x
    x = 258,459,794,653,467.78/18,424,757.42
  6. Step 6: Final answer
    x = 14,027,853.33

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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.