Home / 10,912,021.96-16,363,279.24-3,129,219.30

Finding the Fourth Proportional to 10,912,021.96, 16,363,279.24 and 3,129,219.30

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Solution

The fourth proportional to 10,912,021.96, 16,363,279.24 and 3,129,219.30 is: 4,692,465.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912,021.96 : 16,363,279.24 = 3,129,219.30 : x
  2. Step 2: Convert to fraction form
    10,912,021.96/16,363,279.24 = 3,129,219.30/x
  3. Step 3: Cross multiply
    10,912,021.96x = 16,363,279.24 × 3,129,219.30
  4. Step 4: Simplify right side
    10,912,021.96x = 51,204,289,209,097.33
  5. Step 5: Solve for x
    x = 51,204,289,209,097.33/10,912,021.96
  6. Step 6: Final answer
    x = 4,692,465.74

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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.