Home / 8,612,418.68-11,886,858.96-4,943,815.28

Finding the Fourth Proportional to 8,612,418.68, 11,886,858.96 and 4,943,815.28

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Solution

The fourth proportional to 8,612,418.68, 11,886,858.96 and 4,943,815.28 is: 6,823,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,418.68 : 11,886,858.96 = 4,943,815.28 : x
  2. Step 2: Convert to fraction form
    8,612,418.68/11,886,858.96 = 4,943,815.28/x
  3. Step 3: Cross multiply
    8,612,418.68x = 11,886,858.96 × 4,943,815.28
  4. Step 4: Simplify right side
    8,612,418.68x = 58,766,434,957,652.91
  5. Step 5: Solve for x
    x = 58,766,434,957,652.91/8,612,418.68
  6. Step 6: Final answer
    x = 6,823,453.10

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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.