Home / 38,178,027.75-57,276,008.32-12,619,034.42

Finding the Fourth Proportional to 38,178,027.75, 57,276,008.32 and 12,619,034.42

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Solution

The fourth proportional to 38,178,027.75, 57,276,008.32 and 12,619,034.42 is: 18,931,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178,027.75 : 57,276,008.32 = 12,619,034.42 : x
  2. Step 2: Convert to fraction form
    38,178,027.75/57,276,008.32 = 12,619,034.42/x
  3. Step 3: Cross multiply
    38,178,027.75x = 57,276,008.32 × 12,619,034.42
  4. Step 4: Simplify right side
    38,178,027.75x = 722,767,920,430,286.38
  5. Step 5: Solve for x
    x = 722,767,920,430,286.38/38,178,027.75
  6. Step 6: Final answer
    x = 18,931,515.41

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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.