Home / 20,644,561.17-28,491,309.72-11,353,768.62

Finding the Fourth Proportional to 20,644,561.17, 28,491,309.72 and 11,353,768.62

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Solution

The fourth proportional to 20,644,561.17, 28,491,309.72 and 11,353,768.62 is: 15,669,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,644,561.17 : 28,491,309.72 = 11,353,768.62 : x
  2. Step 2: Convert to fraction form
    20,644,561.17/28,491,309.72 = 11,353,768.62/x
  3. Step 3: Cross multiply
    20,644,561.17x = 28,491,309.72 × 11,353,768.62
  4. Step 4: Simplify right side
    20,644,561.17x = 323,483,738,241,636.94
  5. Step 5: Solve for x
    x = 323,483,738,241,636.94/20,644,561.17
  6. Step 6: Final answer
    x = 15,669,199.05

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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.