Home / 15,305,405.94-22,959,430.83-3,945,758.58

Finding the Fourth Proportional to 15,305,405.94, 22,959,430.83 and 3,945,758.58

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Solution

The fourth proportional to 15,305,405.94, 22,959,430.83 and 3,945,758.58 is: 5,918,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305,405.94 : 22,959,430.83 = 3,945,758.58 : x
  2. Step 2: Convert to fraction form
    15,305,405.94/22,959,430.83 = 3,945,758.58/x
  3. Step 3: Cross multiply
    15,305,405.94x = 22,959,430.83 × 3,945,758.58
  4. Step 4: Simplify right side
    15,305,405.94x = 90,592,371,189,389.02
  5. Step 5: Solve for x
    x = 90,592,371,189,389.02/15,305,405.94
  6. Step 6: Final answer
    x = 5,918,978.66

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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.