Home / 14,716,965.70-20,309,412.70-8,192,136.58

Finding the Fourth Proportional to 14,716,965.70, 20,309,412.70 and 8,192,136.58

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Solution

The fourth proportional to 14,716,965.70, 20,309,412.70 and 8,192,136.58 is: 11,305,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716,965.70 : 20,309,412.70 = 8,192,136.58 : x
  2. Step 2: Convert to fraction form
    14,716,965.70/20,309,412.70 = 8,192,136.58/x
  3. Step 3: Cross multiply
    14,716,965.70x = 20,309,412.70 × 8,192,136.58
  4. Step 4: Simplify right side
    14,716,965.70x = 166,377,482,697,986.56
  5. Step 5: Solve for x
    x = 166,377,482,697,986.56/14,716,965.70
  6. Step 6: Final answer
    x = 11,305,148.50

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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.