Home / 18,431,193.56-25,435,657.92-10,059,021.76

Finding the Fourth Proportional to 18,431,193.56, 25,435,657.92 and 10,059,021.76

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Solution

The fourth proportional to 18,431,193.56, 25,435,657.92 and 10,059,021.76 is: 13,881,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,431,193.56 : 25,435,657.92 = 10,059,021.76 : x
  2. Step 2: Convert to fraction form
    18,431,193.56/25,435,657.92 = 10,059,021.76/x
  3. Step 3: Cross multiply
    18,431,193.56x = 25,435,657.92 × 10,059,021.76
  4. Step 4: Simplify right side
    18,431,193.56x = 255,857,836,497,196.34
  5. Step 5: Solve for x
    x = 255,857,836,497,196.34/18,431,193.56
  6. Step 6: Final answer
    x = 13,881,783.38

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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.