Home / 20,123,180.64-30,184,780.32-6,476,325.12

Finding the Fourth Proportional to 20,123,180.64, 30,184,780.32 and 6,476,325.12

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Solution

The fourth proportional to 20,123,180.64, 30,184,780.32 and 6,476,325.12 is: 9,714,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,123,180.64 : 30,184,780.32 = 6,476,325.12 : x
  2. Step 2: Convert to fraction form
    20,123,180.64/30,184,780.32 = 6,476,325.12/x
  3. Step 3: Cross multiply
    20,123,180.64x = 30,184,780.32 × 6,476,325.12
  4. Step 4: Simplify right side
    20,123,180.64x = 195,486,451,028,097.66
  5. Step 5: Solve for x
    x = 195,486,451,028,097.66/20,123,180.64
  6. Step 6: Final answer
    x = 9,714,490.69

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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.