Home / 19,028,211.53-28,534,269.13-7,665,609.29

Finding the Fourth Proportional to 19,028,211.53, 28,534,269.13 and 7,665,609.29

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Solution

The fourth proportional to 19,028,211.53, 28,534,269.13 and 7,665,609.29 is: 11,495,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028,211.53 : 28,534,269.13 = 7,665,609.29 : x
  2. Step 2: Convert to fraction form
    19,028,211.53/28,534,269.13 = 7,665,609.29/x
  3. Step 3: Cross multiply
    19,028,211.53x = 28,534,269.13 × 7,665,609.29
  4. Step 4: Simplify right side
    19,028,211.53x = 218,732,558,526,288.22
  5. Step 5: Solve for x
    x = 218,732,558,526,288.22/19,028,211.53
  6. Step 6: Final answer
    x = 11,495,171.69

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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.