Home / 12,816,033.57-19,221,059.97-3,715,688.79

Finding the Fourth Proportional to 12,816,033.57, 19,221,059.97 and 3,715,688.79

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Solution

The fourth proportional to 12,816,033.57, 19,221,059.97 and 3,715,688.79 is: 5,572,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,033.57 : 19,221,059.97 = 3,715,688.79 : x
  2. Step 2: Convert to fraction form
    12,816,033.57/19,221,059.97 = 3,715,688.79/x
  3. Step 3: Cross multiply
    12,816,033.57x = 19,221,059.97 × 3,715,688.79
  4. Step 4: Simplify right side
    12,816,033.57x = 71,419,477,062,446.73
  5. Step 5: Solve for x
    x = 71,419,477,062,446.73/12,816,033.57
  6. Step 6: Final answer
    x = 5,572,666.20

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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.