Home / 18,269,654.72-25,208,919.12-10,425,585.56

Finding the Fourth Proportional to 18,269,654.72, 25,208,919.12 and 10,425,585.56

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Solution

The fourth proportional to 18,269,654.72, 25,208,919.12 and 10,425,585.56 is: 14,385,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,269,654.72 : 25,208,919.12 = 10,425,585.56 : x
  2. Step 2: Convert to fraction form
    18,269,654.72/25,208,919.12 = 10,425,585.56/x
  3. Step 3: Cross multiply
    18,269,654.72x = 25,208,919.12 × 10,425,585.56
  4. Step 4: Simplify right side
    18,269,654.72x = 262,817,743,160,679.94
  5. Step 5: Solve for x
    x = 262,817,743,160,679.94/18,269,654.72
  6. Step 6: Final answer
    x = 14,385,479.48

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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.