Home / 11,508,143.96-15,881,160.46-6,351,505.40

Finding the Fourth Proportional to 11,508,143.96, 15,881,160.46 and 6,351,505.40

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Solution

The fourth proportional to 11,508,143.96, 15,881,160.46 and 6,351,505.40 is: 8,765,034.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,508,143.96 : 15,881,160.46 = 6,351,505.40 : x
  2. Step 2: Convert to fraction form
    11,508,143.96/15,881,160.46 = 6,351,505.40/x
  3. Step 3: Cross multiply
    11,508,143.96x = 15,881,160.46 × 6,351,505.40
  4. Step 4: Simplify right side
    11,508,143.96x = 100,869,276,419,956.50
  5. Step 5: Solve for x
    x = 100,869,276,419,956.50/11,508,143.96
  6. Step 6: Final answer
    x = 8,765,034.29

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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.