Home / 29,379,174.21-40,500,530.03-20,531,155.58

Finding the Fourth Proportional to 29,379,174.21, 40,500,530.03 and 20,531,155.58

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Solution

The fourth proportional to 29,379,174.21, 40,500,530.03 and 20,531,155.58 is: 28,303,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,174.21 : 40,500,530.03 = 20,531,155.58 : x
  2. Step 2: Convert to fraction form
    29,379,174.21/40,500,530.03 = 20,531,155.58/x
  3. Step 3: Cross multiply
    29,379,174.21x = 40,500,530.03 × 20,531,155.58
  4. Step 4: Simplify right side
    29,379,174.21x = 831,522,683,118,392
  5. Step 5: Solve for x
    x = 831,522,683,118,392/29,379,174.21
  6. Step 6: Final answer
    x = 28,303,133.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.