Home / 19,382,870.80-29,042,813.40-16,170,605.20

Finding the Fourth Proportional to 19,382,870.80, 29,042,813.40 and 16,170,605.20

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Solution

The fourth proportional to 19,382,870.80, 29,042,813.40 and 16,170,605.20 is: 24,229,634.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382,870.80 : 29,042,813.40 = 16,170,605.20 : x
  2. Step 2: Convert to fraction form
    19,382,870.80/29,042,813.40 = 16,170,605.20/x
  3. Step 3: Cross multiply
    19,382,870.80x = 29,042,813.40 × 16,170,605.20
  4. Step 4: Simplify right side
    19,382,870.80x = 469,639,869,388,669.62
  5. Step 5: Solve for x
    x = 469,639,869,388,669.62/19,382,870.80
  6. Step 6: Final answer
    x = 24,229,634.21

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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.