Home / 10,251,188.70-15,376,783.05-2,678,919.90

Finding the Fourth Proportional to 10,251,188.70, 15,376,783.05 and 2,678,919.90

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Solution

The fourth proportional to 10,251,188.70, 15,376,783.05 and 2,678,919.90 is: 4,018,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251,188.70 : 15,376,783.05 = 2,678,919.90 : x
  2. Step 2: Convert to fraction form
    10,251,188.70/15,376,783.05 = 2,678,919.90/x
  3. Step 3: Cross multiply
    10,251,188.70x = 15,376,783.05 × 2,678,919.90
  4. Step 4: Simplify right side
    10,251,188.70x = 41,193,170,110,627.70
  5. Step 5: Solve for x
    x = 41,193,170,110,627.70/10,251,188.70
  6. Step 6: Final answer
    x = 4,018,379.85

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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.