Home / 18,768,936.09-25,900,414.42-10,508,225.61

Finding the Fourth Proportional to 18,768,936.09, 25,900,414.42 and 10,508,225.61

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Solution

The fourth proportional to 18,768,936.09, 25,900,414.42 and 10,508,225.61 is: 14,500,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768,936.09 : 25,900,414.42 = 10,508,225.61 : x
  2. Step 2: Convert to fraction form
    18,768,936.09/25,900,414.42 = 10,508,225.61/x
  3. Step 3: Cross multiply
    18,768,936.09x = 25,900,414.42 × 10,508,225.61
  4. Step 4: Simplify right side
    18,768,936.09x = 272,167,398,117,857.31
  5. Step 5: Solve for x
    x = 272,167,398,117,857.31/18,768,936.09
  6. Step 6: Final answer
    x = 14,500,949.70

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1.5x scale

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.