Home / 13,376,529.80-20,064,794.70-4,857,144.20

Finding the Fourth Proportional to 13,376,529.80, 20,064,794.70 and 4,857,144.20

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Solution

The fourth proportional to 13,376,529.80, 20,064,794.70 and 4,857,144.20 is: 7,285,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,529.80 : 20,064,794.70 = 4,857,144.20 : x
  2. Step 2: Convert to fraction form
    13,376,529.80/20,064,794.70 = 4,857,144.20/x
  3. Step 3: Cross multiply
    13,376,529.80x = 20,064,794.70 × 4,857,144.20
  4. Step 4: Simplify right side
    13,376,529.80x = 97,457,601,201,295.73
  5. Step 5: Solve for x
    x = 97,457,601,201,295.73/13,376,529.80
  6. Step 6: Final answer
    x = 7,285,716.30

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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.