Home / 10,269,857.28-14,172,845.52-5,686,178.40

Finding the Fourth Proportional to 10,269,857.28, 14,172,845.52 and 5,686,178.40

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Solution

The fourth proportional to 10,269,857.28, 14,172,845.52 and 5,686,178.40 is: 7,847,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269,857.28 : 14,172,845.52 = 5,686,178.40 : x
  2. Step 2: Convert to fraction form
    10,269,857.28/14,172,845.52 = 5,686,178.40/x
  3. Step 3: Cross multiply
    10,269,857.28x = 14,172,845.52 × 5,686,178.40
  4. Step 4: Simplify right side
    10,269,857.28x = 80,589,328,062,360.77
  5. Step 5: Solve for x
    x = 80,589,328,062,360.77/10,269,857.28
  6. Step 6: Final answer
    x = 7,847,171.18

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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.