Home / 15,107,145.92-22,667,416.86-7,916,970.32

Finding the Fourth Proportional to 15,107,145.92, 22,667,416.86 and 7,916,970.32

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Solution

The fourth proportional to 15,107,145.92, 22,667,416.86 and 7,916,970.32 is: 11,878,965.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107,145.92 : 22,667,416.86 = 7,916,970.32 : x
  2. Step 2: Convert to fraction form
    15,107,145.92/22,667,416.86 = 7,916,970.32/x
  3. Step 3: Cross multiply
    15,107,145.92x = 22,667,416.86 × 7,916,970.32
  4. Step 4: Simplify right side
    15,107,145.92x = 179,457,266,511,687.59
  5. Step 5: Solve for x
    x = 179,457,266,511,687.59/15,107,145.92
  6. Step 6: Final answer
    x = 11,878,965.59

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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.