Home / 13,631,895.69-18,812,076.92-7,436,923.56

Finding the Fourth Proportional to 13,631,895.69, 18,812,076.92 and 7,436,923.56

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Solution

The fourth proportional to 13,631,895.69, 18,812,076.92 and 7,436,923.56 is: 10,262,987.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,895.69 : 18,812,076.92 = 7,436,923.56 : x
  2. Step 2: Convert to fraction form
    13,631,895.69/18,812,076.92 = 7,436,923.56/x
  3. Step 3: Cross multiply
    13,631,895.69x = 18,812,076.92 × 7,436,923.56
  4. Step 4: Simplify right side
    13,631,895.69x = 139,903,978,021,695.61
  5. Step 5: Solve for x
    x = 139,903,978,021,695.61/13,631,895.69
  6. Step 6: Final answer
    x = 10,262,987.72

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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.