Home / 6,530,649.72-9,012,069.62-4,207,640.15

Finding the Fourth Proportional to 6,530,649.72, 9,012,069.62 and 4,207,640.15

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Solution

The fourth proportional to 6,530,649.72, 9,012,069.62 and 4,207,640.15 is: 5,806,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530,649.72 : 9,012,069.62 = 4,207,640.15 : x
  2. Step 2: Convert to fraction form
    6,530,649.72/9,012,069.62 = 4,207,640.15/x
  3. Step 3: Cross multiply
    6,530,649.72x = 9,012,069.62 × 4,207,640.15
  4. Step 4: Simplify right side
    6,530,649.72x = 37,919,545,984,977.87
  5. Step 5: Solve for x
    x = 37,919,545,984,977.87/6,530,649.72
  6. Step 6: Final answer
    x = 5,806,397.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.