Home / 18,835,578-25,991,506.60-11,396,011.84

Finding the Fourth Proportional to 18,835,578, 25,991,506.60 and 11,396,011.84

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Solution

The fourth proportional to 18,835,578, 25,991,506.60 and 11,396,011.84 is: 15,725,533.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835,578 : 25,991,506.60 = 11,396,011.84 : x
  2. Step 2: Convert to fraction form
    18,835,578/25,991,506.60 = 11,396,011.84/x
  3. Step 3: Cross multiply
    18,835,578x = 25,991,506.60 × 11,396,011.84
  4. Step 4: Simplify right side
    18,835,578x = 296,199,516,859,569.38
  5. Step 5: Solve for x
    x = 296,199,516,859,569.38/18,835,578
  6. Step 6: Final answer
    x = 15,725,533.71

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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.