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Finding the Fourth Proportional to 6,573,388.65, 9,904,951.14 and 5,401,561.25

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Solution

The fourth proportional to 6,573,388.65, 9,904,951.14 and 5,401,561.25 is: 8,139,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,573,388.65 : 9,904,951.14 = 5,401,561.25 : x
  2. Step 2: Convert to fraction form
    6,573,388.65/9,904,951.14 = 5,401,561.25/x
  3. Step 3: Cross multiply
    6,573,388.65x = 9,904,951.14 × 5,401,561.25
  4. Step 4: Simplify right side
    6,573,388.65x = 53,502,200,211,442.57
  5. Step 5: Solve for x
    x = 53,502,200,211,442.57/6,573,388.65
  6. Step 6: Final answer
    x = 8,139,211.46

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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.