Home / 7,509,186.20-11,245,408.20-6,781,352.91

Finding the Fourth Proportional to 7,509,186.20, 11,245,408.20 and 6,781,352.91

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Solution

The fourth proportional to 7,509,186.20, 11,245,408.20 and 6,781,352.91 is: 10,155,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509,186.20 : 11,245,408.20 = 6,781,352.91 : x
  2. Step 2: Convert to fraction form
    7,509,186.20/11,245,408.20 = 6,781,352.91/x
  3. Step 3: Cross multiply
    7,509,186.20x = 11,245,408.20 × 6,781,352.91
  4. Step 4: Simplify right side
    7,509,186.20x = 76,259,081,579,037.58
  5. Step 5: Solve for x
    x = 76,259,081,579,037.58/7,509,186.20
  6. Step 6: Final answer
    x = 10,155,438.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.