Home / 10,256,285.38-15,377,594.10-5,647,442.49

Finding the Fourth Proportional to 10,256,285.38, 15,377,594.10 and 5,647,442.49

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Solution

The fourth proportional to 10,256,285.38, 15,377,594.10 and 5,647,442.49 is: 8,467,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256,285.38 : 15,377,594.10 = 5,647,442.49 : x
  2. Step 2: Convert to fraction form
    10,256,285.38/15,377,594.10 = 5,647,442.49/x
  3. Step 3: Cross multiply
    10,256,285.38x = 15,377,594.10 × 5,647,442.49
  4. Step 4: Simplify right side
    10,256,285.38x = 86,844,078,237,425.34
  5. Step 5: Solve for x
    x = 86,844,078,237,425.34/10,256,285.38
  6. Step 6: Final answer
    x = 8,467,400.72

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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.