Home / 13,081,765.60-18,052,836.77-7,281,917.47

Finding the Fourth Proportional to 13,081,765.60, 18,052,836.77 and 7,281,917.47

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Solution

The fourth proportional to 13,081,765.60, 18,052,836.77 and 7,281,917.47 is: 10,049,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081,765.60 : 18,052,836.77 = 7,281,917.47 : x
  2. Step 2: Convert to fraction form
    13,081,765.60/18,052,836.77 = 7,281,917.47/x
  3. Step 3: Cross multiply
    13,081,765.60x = 18,052,836.77 × 7,281,917.47
  4. Step 4: Simplify right side
    13,081,765.60x = 131,459,267,331,847.61
  5. Step 5: Solve for x
    x = 131,459,267,331,847.61/13,081,765.60
  6. Step 6: Final answer
    x = 10,049,046.24

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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.