Home / 14,120,442.28-21,165,917.82-6,922,009

Finding the Fourth Proportional to 14,120,442.28, 21,165,917.82 and 6,922,009

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Solution

The fourth proportional to 14,120,442.28, 21,165,917.82 and 6,922,009 is: 10,375,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120,442.28 : 21,165,917.82 = 6,922,009 : x
  2. Step 2: Convert to fraction form
    14,120,442.28/21,165,917.82 = 6,922,009/x
  3. Step 3: Cross multiply
    14,120,442.28x = 21,165,917.82 × 6,922,009
  4. Step 4: Simplify right side
    14,120,442.28x = 146,510,673,643,300.38
  5. Step 5: Solve for x
    x = 146,510,673,643,300.38/14,120,442.28
  6. Step 6: Final answer
    x = 10,375,785.03

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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.