Home / 38,203,490.72-57,311,460.72-11,279,868.32

Finding the Fourth Proportional to 38,203,490.72, 57,311,460.72 and 11,279,868.32

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Solution

The fourth proportional to 38,203,490.72, 57,311,460.72 and 11,279,868.32 is: 16,921,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,203,490.72 : 57,311,460.72 = 11,279,868.32 : x
  2. Step 2: Convert to fraction form
    38,203,490.72/57,311,460.72 = 11,279,868.32/x
  3. Step 3: Cross multiply
    38,203,490.72x = 57,311,460.72 × 11,279,868.32
  4. Step 4: Simplify right side
    38,203,490.72x = 646,465,730,148,452.38
  5. Step 5: Solve for x
    x = 646,465,730,148,452.38/38,203,490.72
  6. Step 6: Final answer
    x = 16,921,640.35

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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.