Home / 36,028,871.20-54,032,809.20-12,997,136.80

Finding the Fourth Proportional to 36,028,871.20, 54,032,809.20 and 12,997,136.80

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Solution

The fourth proportional to 36,028,871.20, 54,032,809.20 and 12,997,136.80 is: 19,491,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,028,871.20 : 54,032,809.20 = 12,997,136.80 : x
  2. Step 2: Convert to fraction form
    36,028,871.20/54,032,809.20 = 12,997,136.80/x
  3. Step 3: Cross multiply
    36,028,871.20x = 54,032,809.20 × 12,997,136.80
  4. Step 4: Simplify right side
    36,028,871.20x = 702,271,812,860,698.62
  5. Step 5: Solve for x
    x = 702,271,812,860,698.62/36,028,871.20
  6. Step 6: Final answer
    x = 19,491,918.27

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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.