Home / 18,685,698.66-25,786,266.57-10,536,938.82

Finding the Fourth Proportional to 18,685,698.66, 25,786,266.57 and 10,536,938.82

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Solution

The fourth proportional to 18,685,698.66, 25,786,266.57 and 10,536,938.82 is: 14,540,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,698.66 : 25,786,266.57 = 10,536,938.82 : x
  2. Step 2: Convert to fraction form
    18,685,698.66/25,786,266.57 = 10,536,938.82/x
  3. Step 3: Cross multiply
    18,685,698.66x = 25,786,266.57 × 10,536,938.82
  4. Step 4: Simplify right side
    18,685,698.66x = 271,708,313,244,301.25
  5. Step 5: Solve for x
    x = 271,708,313,244,301.25/18,685,698.66
  6. Step 6: Final answer
    x = 14,540,976.94

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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.