Home / 13,323,102.39-18,384,855.15-7,522,456.68

Finding the Fourth Proportional to 13,323,102.39, 18,384,855.15 and 7,522,456.68

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Solution

The fourth proportional to 13,323,102.39, 18,384,855.15 and 7,522,456.68 is: 10,380,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,323,102.39 : 18,384,855.15 = 7,522,456.68 : x
  2. Step 2: Convert to fraction form
    13,323,102.39/18,384,855.15 = 7,522,456.68/x
  3. Step 3: Cross multiply
    13,323,102.39x = 18,384,855.15 × 7,522,456.68
  4. Step 4: Simplify right side
    13,323,102.39x = 138,299,276,462,159.09
  5. Step 5: Solve for x
    x = 138,299,276,462,159.09/13,323,102.39
  6. Step 6: Final answer
    x = 10,380,410.84

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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.