Home / 10,394,539.60-15,568,189.80-6,568,164.40

Finding the Fourth Proportional to 10,394,539.60, 15,568,189.80 and 6,568,164.40

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Solution

The fourth proportional to 10,394,539.60, 15,568,189.80 and 6,568,164.40 is: 9,837,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394,539.60 : 15,568,189.80 = 6,568,164.40 : x
  2. Step 2: Convert to fraction form
    10,394,539.60/15,568,189.80 = 6,568,164.40/x
  3. Step 3: Cross multiply
    10,394,539.60x = 15,568,189.80 × 6,568,164.40
  4. Step 4: Simplify right side
    10,394,539.60x = 102,254,430,016,803.12
  5. Step 5: Solve for x
    x = 102,254,430,016,803.12/10,394,539.60
  6. Step 6: Final answer
    x = 9,837,321.70

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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.