Home / 9,529,563.12-13,150,753.84-5,178,567.12

Finding the Fourth Proportional to 9,529,563.12, 13,150,753.84 and 5,178,567.12

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Solution

The fourth proportional to 9,529,563.12, 13,150,753.84 and 5,178,567.12 is: 7,146,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529,563.12 : 13,150,753.84 = 5,178,567.12 : x
  2. Step 2: Convert to fraction form
    9,529,563.12/13,150,753.84 = 5,178,567.12/x
  3. Step 3: Cross multiply
    9,529,563.12x = 13,150,753.84 × 5,178,567.12
  4. Step 4: Simplify right side
    9,529,563.12x = 68,102,061,439,037.74
  5. Step 5: Solve for x
    x = 68,102,061,439,037.74/9,529,563.12
  6. Step 6: Final answer
    x = 7,146,399.11

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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.