Home / 18,144,428.70-27,216,643.05-12,097,811.10

Finding the Fourth Proportional to 18,144,428.70, 27,216,643.05 and 12,097,811.10

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Solution

The fourth proportional to 18,144,428.70, 27,216,643.05 and 12,097,811.10 is: 18,146,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,428.70 : 27,216,643.05 = 12,097,811.10 : x
  2. Step 2: Convert to fraction form
    18,144,428.70/27,216,643.05 = 12,097,811.10/x
  3. Step 3: Cross multiply
    18,144,428.70x = 27,216,643.05 × 12,097,811.10
  4. Step 4: Simplify right side
    18,144,428.70x = 329,261,806,395,027.88
  5. Step 5: Solve for x
    x = 329,261,806,395,027.88/18,144,428.70
  6. Step 6: Final answer
    x = 18,146,716.65

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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.