Home / 14,120,441.28-21,165,916.32-6,922,008

Finding the Fourth Proportional to 14,120,441.28, 21,165,916.32 and 6,922,008

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Solution

The fourth proportional to 14,120,441.28, 21,165,916.32 and 6,922,008 is: 10,375,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120,441.28 : 21,165,916.32 = 6,922,008 : x
  2. Step 2: Convert to fraction form
    14,120,441.28/21,165,916.32 = 6,922,008/x
  3. Step 3: Cross multiply
    14,120,441.28x = 21,165,916.32 × 6,922,008
  4. Step 4: Simplify right side
    14,120,441.28x = 146,510,642,094,370.56
  5. Step 5: Solve for x
    x = 146,510,642,094,370.56/14,120,441.28
  6. Step 6: Final answer
    x = 10,375,783.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.