Home / 18,781,673.70-28,172,510.55-14,524,896.90

Finding the Fourth Proportional to 18,781,673.70, 28,172,510.55 and 14,524,896.90

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Solution

The fourth proportional to 18,781,673.70, 28,172,510.55 and 14,524,896.90 is: 21,787,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,781,673.70 : 28,172,510.55 = 14,524,896.90 : x
  2. Step 2: Convert to fraction form
    18,781,673.70/28,172,510.55 = 14,524,896.90/x
  3. Step 3: Cross multiply
    18,781,673.70x = 28,172,510.55 × 14,524,896.90
  4. Step 4: Simplify right side
    18,781,673.70x = 409,202,811,152,912.31
  5. Step 5: Solve for x
    x = 409,202,811,152,912.31/18,781,673.70
  6. Step 6: Final answer
    x = 21,787,345.35

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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.