Home / 9,171,939.60-13,754,410.20-2,780,067.60

Finding the Fourth Proportional to 9,171,939.60, 13,754,410.20 and 2,780,067.60

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Solution

The fourth proportional to 9,171,939.60, 13,754,410.20 and 2,780,067.60 is: 4,169,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,939.60 : 13,754,410.20 = 2,780,067.60 : x
  2. Step 2: Convert to fraction form
    9,171,939.60/13,754,410.20 = 2,780,067.60/x
  3. Step 3: Cross multiply
    9,171,939.60x = 13,754,410.20 × 2,780,067.60
  4. Step 4: Simplify right side
    9,171,939.60x = 38,238,190,154,129.52
  5. Step 5: Solve for x
    x = 38,238,190,154,129.52/9,171,939.60
  6. Step 6: Final answer
    x = 4,169,040.77

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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.