Home / 31,236,382.95-43,105,668.09-17,297,461.89

Finding the Fourth Proportional to 31,236,382.95, 43,105,668.09 and 17,297,461.89

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Solution

The fourth proportional to 31,236,382.95, 43,105,668.09 and 17,297,461.89 is: 23,870,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236,382.95 : 43,105,668.09 = 17,297,461.89 : x
  2. Step 2: Convert to fraction form
    31,236,382.95/43,105,668.09 = 17,297,461.89/x
  3. Step 3: Cross multiply
    31,236,382.95x = 43,105,668.09 × 17,297,461.89
  4. Step 4: Simplify right side
    31,236,382.95x = 745,618,651,029,764.12
  5. Step 5: Solve for x
    x = 745,618,651,029,764.12/31,236,382.95
  6. Step 6: Final answer
    x = 23,870,198.17

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Why These Related Problems?

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