Home / 18,438,898.70-25,445,524.14-10,178,783.62

Finding the Fourth Proportional to 18,438,898.70, 25,445,524.14 and 10,178,783.62

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Solution

The fourth proportional to 18,438,898.70, 25,445,524.14 and 10,178,783.62 is: 14,046,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,898.70 : 25,445,524.14 = 10,178,783.62 : x
  2. Step 2: Convert to fraction form
    18,438,898.70/25,445,524.14 = 10,178,783.62/x
  3. Step 3: Cross multiply
    18,438,898.70x = 25,445,524.14 × 10,178,783.62
  4. Step 4: Simplify right side
    18,438,898.70x = 259,004,484,254,932.78
  5. Step 5: Solve for x
    x = 259,004,484,254,932.78/18,438,898.70
  6. Step 6: Final answer
    x = 14,046,635.24

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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.