Home / 18,986,543.43-26,201,555.72-10,284,715.97

Finding the Fourth Proportional to 18,986,543.43, 26,201,555.72 and 10,284,715.97

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Solution

The fourth proportional to 18,986,543.43, 26,201,555.72 and 10,284,715.97 is: 14,192,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986,543.43 : 26,201,555.72 = 10,284,715.97 : x
  2. Step 2: Convert to fraction form
    18,986,543.43/26,201,555.72 = 10,284,715.97/x
  3. Step 3: Cross multiply
    18,986,543.43x = 26,201,555.72 × 10,284,715.97
  4. Step 4: Simplify right side
    18,986,543.43x = 269,475,558,369,897.50
  5. Step 5: Solve for x
    x = 269,475,558,369,897.50/18,986,543.43
  6. Step 6: Final answer
    x = 14,192,976.17

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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.