Home / 9,284,033.40-12,811,665.42-5,209,720.44

Finding the Fourth Proportional to 9,284,033.40, 12,811,665.42 and 5,209,720.44

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Solution

The fourth proportional to 9,284,033.40, 12,811,665.42 and 5,209,720.44 is: 7,189,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,284,033.40 : 12,811,665.42 = 5,209,720.44 : x
  2. Step 2: Convert to fraction form
    9,284,033.40/12,811,665.42 = 5,209,720.44/x
  3. Step 3: Cross multiply
    9,284,033.40x = 12,811,665.42 × 5,209,720.44
  4. Step 4: Simplify right side
    9,284,033.40x = 66,745,195,209,015.19
  5. Step 5: Solve for x
    x = 66,745,195,209,015.19/9,284,033.40
  6. Step 6: Final answer
    x = 7,189,245.49

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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.