Home / 14,123,472.60-19,490,313.84-7,928,517.68

Finding the Fourth Proportional to 14,123,472.60, 19,490,313.84 and 7,928,517.68

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Solution

The fourth proportional to 14,123,472.60, 19,490,313.84 and 7,928,517.68 is: 10,941,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,123,472.60 : 19,490,313.84 = 7,928,517.68 : x
  2. Step 2: Convert to fraction form
    14,123,472.60/19,490,313.84 = 7,928,517.68/x
  3. Step 3: Cross multiply
    14,123,472.60x = 19,490,313.84 × 7,928,517.68
  4. Step 4: Simplify right side
    14,123,472.60x = 154,529,297,869,188.69
  5. Step 5: Solve for x
    x = 154,529,297,869,188.69/14,123,472.60
  6. Step 6: Final answer
    x = 10,941,310.42

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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.