Home / 15,061,015.68-20,784,337.92-8,185,513.92

Finding the Fourth Proportional to 15,061,015.68, 20,784,337.92 and 8,185,513.92

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Solution

The fourth proportional to 15,061,015.68, 20,784,337.92 and 8,185,513.92 is: 11,296,083.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061,015.68 : 20,784,337.92 = 8,185,513.92 : x
  2. Step 2: Convert to fraction form
    15,061,015.68/20,784,337.92 = 8,185,513.92/x
  3. Step 3: Cross multiply
    15,061,015.68x = 20,784,337.92 × 8,185,513.92
  4. Step 4: Simplify right side
    15,061,015.68x = 170,130,487,362,143.88
  5. Step 5: Solve for x
    x = 170,130,487,362,143.88/15,061,015.68
  6. Step 6: Final answer
    x = 11,296,083.28

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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.