Home / 29,379,176.72-40,500,533.49-20,531,158.09

Finding the Fourth Proportional to 29,379,176.72, 40,500,533.49 and 20,531,158.09

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Solution

The fourth proportional to 29,379,176.72, 40,500,533.49 and 20,531,158.09 is: 28,303,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,379,176.72 : 40,500,533.49 = 20,531,158.09 : x
  2. Step 2: Convert to fraction form
    29,379,176.72/40,500,533.49 = 20,531,158.09/x
  3. Step 3: Cross multiply
    29,379,176.72x = 40,500,533.49 × 20,531,158.09
  4. Step 4: Simplify right side
    29,379,176.72x = 831,522,855,634,286.12
  5. Step 5: Solve for x
    x = 831,522,855,634,286.12/29,379,176.72
  6. Step 6: Final answer
    x = 28,303,136.73

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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.