Home / 28,816,496.18-39,766,645.83-15,585,687.87

Finding the Fourth Proportional to 28,816,496.18, 39,766,645.83 and 15,585,687.87

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Solution

The fourth proportional to 28,816,496.18, 39,766,645.83 and 15,585,687.87 is: 21,508,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,816,496.18 : 39,766,645.83 = 15,585,687.87 : x
  2. Step 2: Convert to fraction form
    28,816,496.18/39,766,645.83 = 15,585,687.87/x
  3. Step 3: Cross multiply
    28,816,496.18x = 39,766,645.83 × 15,585,687.87
  4. Step 4: Simplify right side
    28,816,496.18x = 619,790,529,543,217
  5. Step 5: Solve for x
    x = 619,790,529,543,217/28,816,496.18
  6. Step 6: Final answer
    x = 21,508,184.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.