Home / 15,135,398.04-20,886,653.34-9,253,067.88

Finding the Fourth Proportional to 15,135,398.04, 20,886,653.34 and 9,253,067.88

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Solution

The fourth proportional to 15,135,398.04, 20,886,653.34 and 9,253,067.88 is: 12,769,113.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,398.04 : 20,886,653.34 = 9,253,067.88 : x
  2. Step 2: Convert to fraction form
    15,135,398.04/20,886,653.34 = 9,253,067.88/x
  3. Step 3: Cross multiply
    15,135,398.04x = 20,886,653.34 × 9,253,067.88
  4. Step 4: Simplify right side
    15,135,398.04x = 193,265,621,141,048.75
  5. Step 5: Solve for x
    x = 193,265,621,141,048.75/15,135,398.04
  6. Step 6: Final answer
    x = 12,769,113.88

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1.5x scale

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.