Home / 13,487,022.22-18,613,533.04-8,263,496.96

Finding the Fourth Proportional to 13,487,022.22, 18,613,533.04 and 8,263,496.96

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Solution

The fourth proportional to 13,487,022.22, 18,613,533.04 and 8,263,496.96 is: 11,404,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487,022.22 : 18,613,533.04 = 8,263,496.96 : x
  2. Step 2: Convert to fraction form
    13,487,022.22/18,613,533.04 = 8,263,496.96/x
  3. Step 3: Cross multiply
    13,487,022.22x = 18,613,533.04 × 8,263,496.96
  4. Step 4: Simplify right side
    13,487,022.22x = 153,812,873,690,899.56
  5. Step 5: Solve for x
    x = 153,812,873,690,899.56/13,487,022.22
  6. Step 6: Final answer
    x = 11,404,509.55

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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.