Home / 18,838,735.56-25,996,733.46-10,689,487.56

Finding the Fourth Proportional to 18,838,735.56, 25,996,733.46 and 10,689,487.56

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Solution

The fourth proportional to 18,838,735.56, 25,996,733.46 and 10,689,487.56 is: 14,751,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838,735.56 : 25,996,733.46 = 10,689,487.56 : x
  2. Step 2: Convert to fraction form
    18,838,735.56/25,996,733.46 = 10,689,487.56/x
  3. Step 3: Cross multiply
    18,838,735.56x = 25,996,733.46 × 10,689,487.56
  4. Step 4: Simplify right side
    18,838,735.56x = 277,891,758,921,305.78
  5. Step 5: Solve for x
    x = 277,891,758,921,305.78/18,838,735.56
  6. Step 6: Final answer
    x = 14,751,083.37

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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.