Home / 15,383,656.95-21,235,983.32-9,585,303.49

Finding the Fourth Proportional to 15,383,656.95, 21,235,983.32 and 9,585,303.49

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Solution

The fourth proportional to 15,383,656.95, 21,235,983.32 and 9,585,303.49 is: 13,231,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,383,656.95 : 21,235,983.32 = 9,585,303.49 : x
  2. Step 2: Convert to fraction form
    15,383,656.95/21,235,983.32 = 9,585,303.49/x
  3. Step 3: Cross multiply
    15,383,656.95x = 21,235,983.32 × 9,585,303.49
  4. Step 4: Simplify right side
    15,383,656.95x = 203,553,344,876,671.34
  5. Step 5: Solve for x
    x = 203,553,344,876,671.34/15,383,656.95
  6. Step 6: Final answer
    x = 13,231,791.73

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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.