Home / 15,327,284.16-21,151,199.68-8,451,764.48

Finding the Fourth Proportional to 15,327,284.16, 21,151,199.68 and 8,451,764.48

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Solution

The fourth proportional to 15,327,284.16, 21,151,199.68 and 8,451,764.48 is: 11,663,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,327,284.16 : 21,151,199.68 = 8,451,764.48 : x
  2. Step 2: Convert to fraction form
    15,327,284.16/21,151,199.68 = 8,451,764.48/x
  3. Step 3: Cross multiply
    15,327,284.16x = 21,151,199.68 × 8,451,764.48
  4. Step 4: Simplify right side
    15,327,284.16x = 178,764,958,164,811.38
  5. Step 5: Solve for x
    x = 178,764,958,164,811.38/15,327,284.16
  6. Step 6: Final answer
    x = 11,663,185.49

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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.