Home / 20,110,907.70-30,166,361.55-7,331,829.30

Finding the Fourth Proportional to 20,110,907.70, 30,166,361.55 and 7,331,829.30

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Solution

The fourth proportional to 20,110,907.70, 30,166,361.55 and 7,331,829.30 is: 10,997,743.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,907.70 : 30,166,361.55 = 7,331,829.30 : x
  2. Step 2: Convert to fraction form
    20,110,907.70/30,166,361.55 = 7,331,829.30/x
  3. Step 3: Cross multiply
    20,110,907.70x = 30,166,361.55 × 7,331,829.30
  4. Step 4: Simplify right side
    20,110,907.70x = 221,174,613,486,683.41
  5. Step 5: Solve for x
    x = 221,174,613,486,683.41/20,110,907.70
  6. Step 6: Final answer
    x = 10,997,743.95

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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.