Home / 11,665,968.40-17,498,952.60-6,543,139.60

Finding the Fourth Proportional to 11,665,968.40, 17,498,952.60 and 6,543,139.60

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Solution

The fourth proportional to 11,665,968.40, 17,498,952.60 and 6,543,139.60 is: 9,814,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665,968.40 : 17,498,952.60 = 6,543,139.60 : x
  2. Step 2: Convert to fraction form
    11,665,968.40/17,498,952.60 = 6,543,139.60/x
  3. Step 3: Cross multiply
    11,665,968.40x = 17,498,952.60 × 6,543,139.60
  4. Step 4: Simplify right side
    11,665,968.40x = 114,498,089,715,582.97
  5. Step 5: Solve for x
    x = 114,498,089,715,582.97/11,665,968.40
  6. Step 6: Final answer
    x = 9,814,709.40

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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.