Home / 20,138,464.35-30,210,673.41-7,355,979.63

Finding the Fourth Proportional to 20,138,464.35, 30,210,673.41 and 7,355,979.63

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Solution

The fourth proportional to 20,138,464.35, 30,210,673.41 and 7,355,979.63 is: 11,035,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138,464.35 : 30,210,673.41 = 7,355,979.63 : x
  2. Step 2: Convert to fraction form
    20,138,464.35/30,210,673.41 = 7,355,979.63/x
  3. Step 3: Cross multiply
    20,138,464.35x = 30,210,673.41 × 7,355,979.63
  4. Step 4: Simplify right side
    20,138,464.35x = 222,229,098,212,542.62
  5. Step 5: Solve for x
    x = 222,229,098,212,542.62/20,138,464.35
  6. Step 6: Final answer
    x = 11,035,056.81

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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.