Home / 14,561,230.20-21,855,842.10-7,380,871.80

Finding the Fourth Proportional to 14,561,230.20, 21,855,842.10 and 7,380,871.80

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Solution

The fourth proportional to 14,561,230.20, 21,855,842.10 and 7,380,871.80 is: 11,078,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561,230.20 : 21,855,842.10 = 7,380,871.80 : x
  2. Step 2: Convert to fraction form
    14,561,230.20/21,855,842.10 = 7,380,871.80/x
  3. Step 3: Cross multiply
    14,561,230.20x = 21,855,842.10 × 7,380,871.80
  4. Step 4: Simplify right side
    14,561,230.20x = 161,315,168,621,142.78
  5. Step 5: Solve for x
    x = 161,315,168,621,142.78/14,561,230.20
  6. Step 6: Final answer
    x = 11,078,402.47

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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.