Home / 15,383,408.19-21,235,640.15-9,585,054.73

Finding the Fourth Proportional to 15,383,408.19, 21,235,640.15 and 9,585,054.73

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Solution

The fourth proportional to 15,383,408.19, 21,235,640.15 and 9,585,054.73 is: 13,231,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,408.19 : 21,235,640.15 = 9,585,054.73 : x
  2. Step 2: Convert to fraction form
    15,383,408.19/21,235,640.15 = 9,585,054.73/x
  3. Step 3: Cross multiply
    15,383,408.19x = 21,235,640.15 × 9,585,054.73
  4. Step 4: Simplify right side
    15,383,408.19x = 203,544,773,120,661.50
  5. Step 5: Solve for x
    x = 203,544,773,120,661.50/15,383,408.19
  6. Step 6: Final answer
    x = 13,231,448.49

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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.