Home / 12,927,947.37-17,840,687.70-7,126,936.70

Finding the Fourth Proportional to 12,927,947.37, 17,840,687.70 and 7,126,936.70

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Solution

The fourth proportional to 12,927,947.37, 17,840,687.70 and 7,126,936.70 is: 9,835,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927,947.37 : 17,840,687.70 = 7,126,936.70 : x
  2. Step 2: Convert to fraction form
    12,927,947.37/17,840,687.70 = 7,126,936.70/x
  3. Step 3: Cross multiply
    12,927,947.37x = 17,840,687.70 × 7,126,936.70
  4. Step 4: Simplify right side
    12,927,947.37x = 127,149,451,833,165.16
  5. Step 5: Solve for x
    x = 127,149,451,833,165.16/12,927,947.37
  6. Step 6: Final answer
    x = 9,835,238.97

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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.