Home / 10,131,314.94-13,981,217.63-5,485,099.05

Finding the Fourth Proportional to 10,131,314.94, 13,981,217.63 and 5,485,099.05

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Solution

The fourth proportional to 10,131,314.94, 13,981,217.63 and 5,485,099.05 is: 7,569,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,131,314.94 : 13,981,217.63 = 5,485,099.05 : x
  2. Step 2: Convert to fraction form
    10,131,314.94/13,981,217.63 = 5,485,099.05/x
  3. Step 3: Cross multiply
    10,131,314.94x = 13,981,217.63 × 5,485,099.05
  4. Step 4: Simplify right side
    10,131,314.94x = 76,688,363,512,730.75
  5. Step 5: Solve for x
    x = 76,688,363,512,730.75/10,131,314.94
  6. Step 6: Final answer
    x = 7,569,438.32

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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.