Home / 18,809,661.40-28,214,492.10-11,597,810.20

Finding the Fourth Proportional to 18,809,661.40, 28,214,492.10 and 11,597,810.20

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Solution

The fourth proportional to 18,809,661.40, 28,214,492.10 and 11,597,810.20 is: 17,396,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,661.40 : 28,214,492.10 = 11,597,810.20 : x
  2. Step 2: Convert to fraction form
    18,809,661.40/28,214,492.10 = 11,597,810.20/x
  3. Step 3: Cross multiply
    18,809,661.40x = 28,214,492.10 × 11,597,810.20
  4. Step 4: Simplify right side
    18,809,661.40x = 327,226,324,265,199.44
  5. Step 5: Solve for x
    x = 327,226,324,265,199.44/18,809,661.40
  6. Step 6: Final answer
    x = 17,396,715.30

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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.