Home / 18,770,374.11-28,166,212.46-10,134,359.45

Finding the Fourth Proportional to 18,770,374.11, 28,166,212.46 and 10,134,359.45

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Solution

The fourth proportional to 18,770,374.11, 28,166,212.46 and 10,134,359.45 is: 15,207,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770,374.11 : 28,166,212.46 = 10,134,359.45 : x
  2. Step 2: Convert to fraction form
    18,770,374.11/28,166,212.46 = 10,134,359.45/x
  3. Step 3: Cross multiply
    18,770,374.11x = 28,166,212.46 × 10,134,359.45
  4. Step 4: Simplify right side
    18,770,374.11x = 285,446,521,273,877.69
  5. Step 5: Solve for x
    x = 285,446,521,273,877.69/18,770,374.11
  6. Step 6: Final answer
    x = 15,207,289.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.