Home / 8,555,700-11,806,866-5,118,085.92

Finding the Fourth Proportional to 8,555,700, 11,806,866 and 5,118,085.92

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Solution

The fourth proportional to 8,555,700, 11,806,866 and 5,118,085.92 is: 7,062,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555,700 : 11,806,866 = 5,118,085.92 : x
  2. Step 2: Convert to fraction form
    8,555,700/11,806,866 = 5,118,085.92/x
  3. Step 3: Cross multiply
    8,555,700x = 11,806,866 × 5,118,085.92
  4. Step 4: Simplify right side
    8,555,700x = 60,428,554,633,926.72
  5. Step 5: Solve for x
    x = 60,428,554,633,926.72/8,555,700
  6. Step 6: Final answer
    x = 7,062,958.57

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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.