Home / 10,722,402.20-16,081,760.10-3,987,349.40

Finding the Fourth Proportional to 10,722,402.20, 16,081,760.10 and 3,987,349.40

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Solution

The fourth proportional to 10,722,402.20, 16,081,760.10 and 3,987,349.40 is: 5,980,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,722,402.20 : 16,081,760.10 = 3,987,349.40 : x
  2. Step 2: Convert to fraction form
    10,722,402.20/16,081,760.10 = 3,987,349.40/x
  3. Step 3: Cross multiply
    10,722,402.20x = 16,081,760.10 × 3,987,349.40
  4. Step 4: Simplify right side
    10,722,402.20x = 64,123,596,485,678.94
  5. Step 5: Solve for x
    x = 64,123,596,485,678.94/10,722,402.20
  6. Step 6: Final answer
    x = 5,980,338.67

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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.