Home / 19,205,983.68-28,776,990.16-13,514,250.24

Finding the Fourth Proportional to 19,205,983.68, 28,776,990.16 and 13,514,250.24

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Solution

The fourth proportional to 19,205,983.68, 28,776,990.16 and 13,514,250.24 is: 20,248,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,205,983.68 : 28,776,990.16 = 13,514,250.24 : x
  2. Step 2: Convert to fraction form
    19,205,983.68/28,776,990.16 = 13,514,250.24/x
  3. Step 3: Cross multiply
    19,205,983.68x = 28,776,990.16 × 13,514,250.24
  4. Step 4: Simplify right side
    19,205,983.68x = 388,899,446,176,257.62
  5. Step 5: Solve for x
    x = 388,899,446,176,257.62/19,205,983.68
  6. Step 6: Final answer
    x = 20,248,868.93

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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.