Home / 12,816,063.68-19,221,105.24-3,715,718.88

Finding the Fourth Proportional to 12,816,063.68, 19,221,105.24 and 3,715,718.88

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Solution

The fourth proportional to 12,816,063.68, 19,221,105.24 and 3,715,718.88 is: 5,572,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,063.68 : 19,221,105.24 = 3,715,718.88 : x
  2. Step 2: Convert to fraction form
    12,816,063.68/19,221,105.24 = 3,715,718.88/x
  3. Step 3: Cross multiply
    12,816,063.68x = 19,221,105.24 × 3,715,718.88
  4. Step 4: Simplify right side
    12,816,063.68x = 71,420,223,634,734.92
  5. Step 5: Solve for x
    x = 71,420,223,634,734.92/12,816,063.68
  6. Step 6: Final answer
    x = 5,572,711.36

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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.