Home / 15,353,040.79-21,187,232.63-8,383,731.82

Finding the Fourth Proportional to 15,353,040.79, 21,187,232.63 and 8,383,731.82

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Solution

The fourth proportional to 15,353,040.79, 21,187,232.63 and 8,383,731.82 is: 11,569,569.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,353,040.79 : 21,187,232.63 = 8,383,731.82 : x
  2. Step 2: Convert to fraction form
    15,353,040.79/21,187,232.63 = 8,383,731.82/x
  3. Step 3: Cross multiply
    15,353,040.79x = 21,187,232.63 × 8,383,731.82
  4. Step 4: Simplify right side
    15,353,040.79x = 177,628,076,377,873.28
  5. Step 5: Solve for x
    x = 177,628,076,377,873.28/15,353,040.79
  6. Step 6: Final answer
    x = 11,569,569.76

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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.