Home / 13,323,103.39-18,384,856.53-7,522,457.68

Finding the Fourth Proportional to 13,323,103.39, 18,384,856.53 and 7,522,457.68

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Solution

The fourth proportional to 13,323,103.39, 18,384,856.53 and 7,522,457.68 is: 10,380,412.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323,103.39 : 18,384,856.53 = 7,522,457.68 : x
  2. Step 2: Convert to fraction form
    13,323,103.39/18,384,856.53 = 7,522,457.68/x
  3. Step 3: Cross multiply
    13,323,103.39x = 18,384,856.53 × 7,522,457.68
  4. Step 4: Simplify right side
    13,323,103.39x = 138,299,305,199,796.66
  5. Step 5: Solve for x
    x = 138,299,305,199,796.66/13,323,103.39
  6. Step 6: Final answer
    x = 10,380,412.22

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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.