Home / 20,543,941-30,815,840.22-6,166,950.76

Finding the Fourth Proportional to 20,543,941, 30,815,840.22 and 6,166,950.76

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Solution

The fourth proportional to 20,543,941, 30,815,840.22 and 6,166,950.76 is: 9,250,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,543,941 : 30,815,840.22 = 6,166,950.76 : x
  2. Step 2: Convert to fraction form
    20,543,941/30,815,840.22 = 6,166,950.76/x
  3. Step 3: Cross multiply
    20,543,941x = 30,815,840.22 × 6,166,950.76
  4. Step 4: Simplify right side
    20,543,941x = 190,039,769,264,767.56
  5. Step 5: Solve for x
    x = 190,039,769,264,767.56/20,543,941
  6. Step 6: Final answer
    x = 9,250,404.74

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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.