Home / 12,815,886.48-19,231,391.88-4,734,581.28

Finding the Fourth Proportional to 12,815,886.48, 19,231,391.88 and 4,734,581.28

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Solution

The fourth proportional to 12,815,886.48, 19,231,391.88 and 4,734,581.28 is: 7,104,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,886.48 : 19,231,391.88 = 4,734,581.28 : x
  2. Step 2: Convert to fraction form
    12,815,886.48/19,231,391.88 = 4,734,581.28/x
  3. Step 3: Cross multiply
    12,815,886.48x = 19,231,391.88 × 4,734,581.28
  4. Step 4: Simplify right side
    12,815,886.48x = 91,052,587,983,392
  5. Step 5: Solve for x
    x = 91,052,587,983,392/12,815,886.48
  6. Step 6: Final answer
    x = 7,104,665.61

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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.