Home / 7,661,878.70-11,487,429.11-3,558,843.74

Finding the Fourth Proportional to 7,661,878.70, 11,487,429.11 and 3,558,843.74

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Solution

The fourth proportional to 7,661,878.70, 11,487,429.11 and 3,558,843.74 is: 5,335,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661,878.70 : 11,487,429.11 = 3,558,843.74 : x
  2. Step 2: Convert to fraction form
    7,661,878.70/11,487,429.11 = 3,558,843.74/x
  3. Step 3: Cross multiply
    7,661,878.70x = 11,487,429.11 × 3,558,843.74
  4. Step 4: Simplify right side
    7,661,878.70x = 40,881,965,214,432.96
  5. Step 5: Solve for x
    x = 40,881,965,214,432.96/7,661,878.70
  6. Step 6: Final answer
    x = 5,335,762.53

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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.