Home / 7,407,665.40-11,135,117.70-6,982,512.60

Finding the Fourth Proportional to 7,407,665.40, 11,135,117.70 and 6,982,512.60

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Solution

The fourth proportional to 7,407,665.40, 11,135,117.70 and 6,982,512.60 is: 10,496,032.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407,665.40 : 11,135,117.70 = 6,982,512.60 : x
  2. Step 2: Convert to fraction form
    7,407,665.40/11,135,117.70 = 6,982,512.60/x
  3. Step 3: Cross multiply
    7,407,665.40x = 11,135,117.70 × 6,982,512.60
  4. Step 4: Simplify right side
    7,407,665.40x = 77,751,099,642,733.02
  5. Step 5: Solve for x
    x = 77,751,099,642,733.02/7,407,665.40
  6. Step 6: Final answer
    x = 10,496,032.89

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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.