Home / 15,184,572.60-20,954,653.44-8,215,227.84

Finding the Fourth Proportional to 15,184,572.60, 20,954,653.44 and 8,215,227.84

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Solution

The fourth proportional to 15,184,572.60, 20,954,653.44 and 8,215,227.84 is: 11,336,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184,572.60 : 20,954,653.44 = 8,215,227.84 : x
  2. Step 2: Convert to fraction form
    15,184,572.60/20,954,653.44 = 8,215,227.84/x
  3. Step 3: Cross multiply
    15,184,572.60x = 20,954,653.44 × 8,215,227.84
  4. Step 4: Simplify right side
    15,184,572.60x = 172,147,252,317,839.78
  5. Step 5: Solve for x
    x = 172,147,252,317,839.78/15,184,572.60
  6. Step 6: Final answer
    x = 11,336,983.72

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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.