Home / 7,915,584.57-11,857,913.39-5,453,165.63

Finding the Fourth Proportional to 7,915,584.57, 11,857,913.39 and 5,453,165.63

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Solution

The fourth proportional to 7,915,584.57, 11,857,913.39 and 5,453,165.63 is: 8,169,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915,584.57 : 11,857,913.39 = 5,453,165.63 : x
  2. Step 2: Convert to fraction form
    7,915,584.57/11,857,913.39 = 5,453,165.63/x
  3. Step 3: Cross multiply
    7,915,584.57x = 11,857,913.39 × 5,453,165.63
  4. Step 4: Simplify right side
    7,915,584.57x = 64,663,165,785,142.48
  5. Step 5: Solve for x
    x = 64,663,165,785,142.48/7,915,584.57
  6. Step 6: Final answer
    x = 8,169,095.44

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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.