Home / 13,305,912.90-19,958,869.35-4,786,527.30

Finding the Fourth Proportional to 13,305,912.90, 19,958,869.35 and 4,786,527.30

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Solution

The fourth proportional to 13,305,912.90, 19,958,869.35 and 4,786,527.30 is: 7,179,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,912.90 : 19,958,869.35 = 4,786,527.30 : x
  2. Step 2: Convert to fraction form
    13,305,912.90/19,958,869.35 = 4,786,527.30/x
  3. Step 3: Cross multiply
    13,305,912.90x = 19,958,869.35 × 4,786,527.30
  4. Step 4: Simplify right side
    13,305,912.90x = 95,533,673,020,908.27
  5. Step 5: Solve for x
    x = 95,533,673,020,908.27/13,305,912.90
  6. Step 6: Final answer
    x = 7,179,790.95

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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.