Home / 19,001,041.92-28,510,420.26-11,324,376.72

Finding the Fourth Proportional to 19,001,041.92, 28,510,420.26 and 11,324,376.72

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Solution

The fourth proportional to 19,001,041.92, 28,510,420.26 and 11,324,376.72 is: 16,991,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001,041.92 : 28,510,420.26 = 11,324,376.72 : x
  2. Step 2: Convert to fraction form
    19,001,041.92/28,510,420.26 = 11,324,376.72/x
  3. Step 3: Cross multiply
    19,001,041.92x = 28,510,420.26 × 11,324,376.72
  4. Step 4: Simplify right side
    19,001,041.92x = 322,862,739,469,760.38
  5. Step 5: Solve for x
    x = 322,862,739,469,760.38/19,001,041.92
  6. Step 6: Final answer
    x = 16,991,843.96

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1.5x scale

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.