Home / 18,610,986.83-27,899,275.57-9,981,085.91

Finding the Fourth Proportional to 18,610,986.83, 27,899,275.57 and 9,981,085.91

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Solution

The fourth proportional to 18,610,986.83, 27,899,275.57 and 9,981,085.91 is: 14,962,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,610,986.83 : 27,899,275.57 = 9,981,085.91 : x
  2. Step 2: Convert to fraction form
    18,610,986.83/27,899,275.57 = 9,981,085.91/x
  3. Step 3: Cross multiply
    18,610,986.83x = 27,899,275.57 × 9,981,085.91
  4. Step 4: Simplify right side
    18,610,986.83x = 278,465,066,126,485.09
  5. Step 5: Solve for x
    x = 278,465,066,126,485.09/18,610,986.83
  6. Step 6: Final answer
    x = 14,962,401.98

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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.