Home / 11,615,921.93-16,046,364.29-9,308,144.85

Finding the Fourth Proportional to 11,615,921.93, 16,046,364.29 and 9,308,144.85

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Solution

The fourth proportional to 11,615,921.93, 16,046,364.29 and 9,308,144.85 is: 12,858,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615,921.93 : 16,046,364.29 = 9,308,144.85 : x
  2. Step 2: Convert to fraction form
    11,615,921.93/16,046,364.29 = 9,308,144.85/x
  3. Step 3: Cross multiply
    11,615,921.93x = 16,046,364.29 × 9,308,144.85
  4. Step 4: Simplify right side
    11,615,921.93x = 149,361,883,080,646.69
  5. Step 5: Solve for x
    x = 149,361,883,080,646.69/11,615,921.93
  6. Step 6: Final answer
    x = 12,858,375.26

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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.