Home / 13,631,900.68-18,812,083.84-7,436,928.56

Finding the Fourth Proportional to 13,631,900.68, 18,812,083.84 and 7,436,928.56

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Solution

The fourth proportional to 13,631,900.68, 18,812,083.84 and 7,436,928.56 is: 10,262,994.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,900.68 : 18,812,083.84 = 7,436,928.56 : x
  2. Step 2: Convert to fraction form
    13,631,900.68/18,812,083.84 = 7,436,928.56/x
  3. Step 3: Cross multiply
    13,631,900.68x = 18,812,083.84 × 7,436,928.56
  4. Step 4: Simplify right side
    13,631,900.68x = 139,904,123,582,810.47
  5. Step 5: Solve for x
    x = 139,904,123,582,810.47/13,631,900.68
  6. Step 6: Final answer
    x = 10,262,994.64

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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.