Home / 15,606,957.48-21,538,438.02-8,731,029.48

Finding the Fourth Proportional to 15,606,957.48, 21,538,438.02 and 8,731,029.48

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Solution

The fourth proportional to 15,606,957.48, 21,538,438.02 and 8,731,029.48 is: 12,049,288.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606,957.48 : 21,538,438.02 = 8,731,029.48 : x
  2. Step 2: Convert to fraction form
    15,606,957.48/21,538,438.02 = 8,731,029.48/x
  3. Step 3: Cross multiply
    15,606,957.48x = 21,538,438.02 × 8,731,029.48
  4. Step 4: Simplify right side
    15,606,957.48x = 188,052,737,305,772.84
  5. Step 5: Solve for x
    x = 188,052,737,305,772.84/15,606,957.48
  6. Step 6: Final answer
    x = 12,049,288.76

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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.