Home / 18,441,619.10-27,662,428.65-11,267,165.60

Finding the Fourth Proportional to 18,441,619.10, 27,662,428.65 and 11,267,165.60

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Solution

The fourth proportional to 18,441,619.10, 27,662,428.65 and 11,267,165.60 is: 16,900,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,619.10 : 27,662,428.65 = 11,267,165.60 : x
  2. Step 2: Convert to fraction form
    18,441,619.10/27,662,428.65 = 11,267,165.60/x
  3. Step 3: Cross multiply
    18,441,619.10x = 27,662,428.65 × 11,267,165.60
  4. Step 4: Simplify right side
    18,441,619.10x = 311,677,164,497,734.44
  5. Step 5: Solve for x
    x = 311,677,164,497,734.44/18,441,619.10
  6. Step 6: Final answer
    x = 16,900,748.40

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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.