Home / 7,471,640.40-11,207,460.60-4,448,331.60

Finding the Fourth Proportional to 7,471,640.40, 11,207,460.60 and 4,448,331.60

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Solution

The fourth proportional to 7,471,640.40, 11,207,460.60 and 4,448,331.60 is: 6,672,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471,640.40 : 11,207,460.60 = 4,448,331.60 : x
  2. Step 2: Convert to fraction form
    7,471,640.40/11,207,460.60 = 4,448,331.60/x
  3. Step 3: Cross multiply
    7,471,640.40x = 11,207,460.60 × 4,448,331.60
  4. Step 4: Simplify right side
    7,471,640.40x = 49,854,501,142,734.95
  5. Step 5: Solve for x
    x = 49,854,501,142,734.95/7,471,640.40
  6. Step 6: Final answer
    x = 6,672,497.40

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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.