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Finding the Fourth Proportional to 7,812,797.04, 11,709,747.72 and 4,024,213.20

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Solution

The fourth proportional to 7,812,797.04, 11,709,747.72 and 4,024,213.20 is: 6,031,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,797.04 : 11,709,747.72 = 4,024,213.20 : x
  2. Step 2: Convert to fraction form
    7,812,797.04/11,709,747.72 = 4,024,213.20/x
  3. Step 3: Cross multiply
    7,812,797.04x = 11,709,747.72 × 4,024,213.20
  4. Step 4: Simplify right side
    7,812,797.04x = 47,122,521,343,493.91
  5. Step 5: Solve for x
    x = 47,122,521,343,493.91/7,812,797.04
  6. Step 6: Final answer
    x = 6,031,453.41

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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.