Home / 18,757,354.31-25,885,148.95-10,172,650.31

Finding the Fourth Proportional to 18,757,354.31, 25,885,148.95 and 10,172,650.31

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Solution

The fourth proportional to 18,757,354.31, 25,885,148.95 and 10,172,650.31 is: 14,038,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757,354.31 : 25,885,148.95 = 10,172,650.31 : x
  2. Step 2: Convert to fraction form
    18,757,354.31/25,885,148.95 = 10,172,650.31/x
  3. Step 3: Cross multiply
    18,757,354.31x = 25,885,148.95 × 10,172,650.31
  4. Step 4: Simplify right side
    18,757,354.31x = 263,320,568,366,311.47
  5. Step 5: Solve for x
    x = 263,320,568,366,311.47/18,757,354.31
  6. Step 6: Final answer
    x = 14,038,257.42

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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.