Home / 12,448,218.10-18,672,327.15-8,382,694.45

Finding the Fourth Proportional to 12,448,218.10, 18,672,327.15 and 8,382,694.45

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Solution

The fourth proportional to 12,448,218.10, 18,672,327.15 and 8,382,694.45 is: 12,574,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448,218.10 : 18,672,327.15 = 8,382,694.45 : x
  2. Step 2: Convert to fraction form
    12,448,218.10/18,672,327.15 = 8,382,694.45/x
  3. Step 3: Cross multiply
    12,448,218.10x = 18,672,327.15 × 8,382,694.45
  4. Step 4: Simplify right side
    12,448,218.10x = 156,524,413,168,889.31
  5. Step 5: Solve for x
    x = 156,524,413,168,889.31/12,448,218.10
  6. Step 6: Final answer
    x = 12,574,041.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.