Home / 18,700,772.16-25,805,098.72-10,858,751.48

Finding the Fourth Proportional to 18,700,772.16, 25,805,098.72 and 10,858,751.48

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Solution

The fourth proportional to 18,700,772.16, 25,805,098.72 and 10,858,751.48 is: 14,983,934.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700,772.16 : 25,805,098.72 = 10,858,751.48 : x
  2. Step 2: Convert to fraction form
    18,700,772.16/25,805,098.72 = 10,858,751.48/x
  3. Step 3: Cross multiply
    18,700,772.16x = 25,805,098.72 × 10,858,751.48
  4. Step 4: Simplify right side
    18,700,772.16x = 280,211,153,917,346.09
  5. Step 5: Solve for x
    x = 280,211,153,917,346.09/18,700,772.16
  6. Step 6: Final answer
    x = 14,983,934.97

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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.