Home / 18,393,628.88-25,383,214.76-10,663,152.56

Finding the Fourth Proportional to 18,393,628.88, 25,383,214.76 and 10,663,152.56

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Solution

The fourth proportional to 18,393,628.88, 25,383,214.76 and 10,663,152.56 is: 14,715,154.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,628.88 : 25,383,214.76 = 10,663,152.56 : x
  2. Step 2: Convert to fraction form
    18,393,628.88/25,383,214.76 = 10,663,152.56/x
  3. Step 3: Cross multiply
    18,393,628.88x = 25,383,214.76 × 10,663,152.56
  4. Step 4: Simplify right side
    18,393,628.88x = 270,665,091,449,123.81
  5. Step 5: Solve for x
    x = 270,665,091,449,123.81/18,393,628.88
  6. Step 6: Final answer
    x = 14,715,154.54

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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.