Home / 8,317,837.60-11,472,295.44-7,158,212.48

Finding the Fourth Proportional to 8,317,837.60, 11,472,295.44 and 7,158,212.48

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Solution

The fourth proportional to 8,317,837.60, 11,472,295.44 and 7,158,212.48 is: 9,872,893.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,837.60 : 11,472,295.44 = 7,158,212.48 : x
  2. Step 2: Convert to fraction form
    8,317,837.60/11,472,295.44 = 7,158,212.48/x
  3. Step 3: Cross multiply
    8,317,837.60x = 11,472,295.44 × 7,158,212.48
  4. Step 4: Simplify right side
    8,317,837.60x = 82,121,128,392,855.09
  5. Step 5: Solve for x
    x = 82,121,128,392,855.09/8,317,837.60
  6. Step 6: Final answer
    x = 9,872,893.93

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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.