Home / 18,769,212.87-28,143,555.92-14,903,502.16

Finding the Fourth Proportional to 18,769,212.87, 28,143,555.92 and 14,903,502.16

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Solution

The fourth proportional to 18,769,212.87, 28,143,555.92 and 14,903,502.16 is: 22,347,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769,212.87 : 28,143,555.92 = 14,903,502.16 : x
  2. Step 2: Convert to fraction form
    18,769,212.87/28,143,555.92 = 14,903,502.16/x
  3. Step 3: Cross multiply
    18,769,212.87x = 28,143,555.92 × 14,903,502.16
  4. Step 4: Simplify right side
    18,769,212.87x = 419,437,546,443,800.81
  5. Step 5: Solve for x
    x = 419,437,546,443,800.81/18,769,212.87
  6. Step 6: Final answer
    x = 22,347,103.70

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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.