Home / 20,997,515.70-31,496,273.55-5,851,447.20

Finding the Fourth Proportional to 20,997,515.70, 31,496,273.55 and 5,851,447.20

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Solution

The fourth proportional to 20,997,515.70, 31,496,273.55 and 5,851,447.20 is: 8,777,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,997,515.70 : 31,496,273.55 = 5,851,447.20 : x
  2. Step 2: Convert to fraction form
    20,997,515.70/31,496,273.55 = 5,851,447.20/x
  3. Step 3: Cross multiply
    20,997,515.70x = 31,496,273.55 × 5,851,447.20
  4. Step 4: Simplify right side
    20,997,515.70x = 184,298,781,674,581.56
  5. Step 5: Solve for x
    x = 184,298,781,674,581.56/20,997,515.70
  6. Step 6: Final answer
    x = 8,777,170.80

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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.