Home / 13,345,378.94-18,416,129.37-7,233,676.22

Finding the Fourth Proportional to 13,345,378.94, 18,416,129.37 and 7,233,676.22

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Solution

The fourth proportional to 13,345,378.94, 18,416,129.37 and 7,233,676.22 is: 9,982,205.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345,378.94 : 18,416,129.37 = 7,233,676.22 : x
  2. Step 2: Convert to fraction form
    13,345,378.94/18,416,129.37 = 7,233,676.22/x
  3. Step 3: Cross multiply
    13,345,378.94x = 18,416,129.37 × 7,233,676.22
  4. Step 4: Simplify right side
    13,345,378.94x = 133,216,317,088,212.58
  5. Step 5: Solve for x
    x = 133,216,317,088,212.58/13,345,378.94
  6. Step 6: Final answer
    x = 9,982,205.65

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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.