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Finding the Fourth Proportional to 6,573,389.49, 9,904,952.41 and 5,401,562.09

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Solution

The fourth proportional to 6,573,389.49, 9,904,952.41 and 5,401,562.09 is: 8,139,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,573,389.49 : 9,904,952.41 = 5,401,562.09 : x
  2. Step 2: Convert to fraction form
    6,573,389.49/9,904,952.41 = 5,401,562.09/x
  3. Step 3: Cross multiply
    6,573,389.49x = 9,904,952.41 × 5,401,562.09
  4. Step 4: Simplify right side
    6,573,389.49x = 53,502,215,435,480.91
  5. Step 5: Solve for x
    x = 53,502,215,435,480.91/6,573,389.49
  6. Step 6: Final answer
    x = 8,139,212.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.