Home / 20,163,374.20-30,241,562.10-7,377,297.40

Finding the Fourth Proportional to 20,163,374.20, 30,241,562.10 and 7,377,297.40

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Solution

The fourth proportional to 20,163,374.20, 30,241,562.10 and 7,377,297.40 is: 11,064,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,163,374.20 : 30,241,562.10 = 7,377,297.40 : x
  2. Step 2: Convert to fraction form
    20,163,374.20/30,241,562.10 = 7,377,297.40/x
  3. Step 3: Cross multiply
    20,163,374.20x = 30,241,562.10 × 7,377,297.40
  4. Step 4: Simplify right side
    20,163,374.20x = 223,100,997,452,268.56
  5. Step 5: Solve for x
    x = 223,100,997,452,268.56/20,163,374.20
  6. Step 6: Final answer
    x = 11,064,665.83

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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.