Home / 15,383,645.37-21,235,967.35-9,585,291.92

Finding the Fourth Proportional to 15,383,645.37, 21,235,967.35 and 9,585,291.92

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Solution

The fourth proportional to 15,383,645.37, 21,235,967.35 and 9,585,291.92 is: 13,231,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,645.37 : 21,235,967.35 = 9,585,291.92 : x
  2. Step 2: Convert to fraction form
    15,383,645.37/21,235,967.35 = 9,585,291.92/x
  3. Step 3: Cross multiply
    15,383,645.37x = 21,235,967.35 × 9,585,291.92
  4. Step 4: Simplify right side
    15,383,645.37x = 203,552,946,123,195.72
  5. Step 5: Solve for x
    x = 203,552,946,123,195.72/15,383,645.37
  6. Step 6: Final answer
    x = 13,231,775.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.