Home / 9,296,389.28-12,828,996.60-5,166,406.64

Finding the Fourth Proportional to 9,296,389.28, 12,828,996.60 and 5,166,406.64

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Solution

The fourth proportional to 9,296,389.28, 12,828,996.60 and 5,166,406.64 is: 7,129,629.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,296,389.28 : 12,828,996.60 = 5,166,406.64 : x
  2. Step 2: Convert to fraction form
    9,296,389.28/12,828,996.60 = 5,166,406.64/x
  3. Step 3: Cross multiply
    9,296,389.28x = 12,828,996.60 × 5,166,406.64
  4. Step 4: Simplify right side
    9,296,389.28x = 66,279,813,218,777.41
  5. Step 5: Solve for x
    x = 66,279,813,218,777.41/9,296,389.28
  6. Step 6: Final answer
    x = 7,129,629.71

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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.