Home / 19,981,463.90-29,984,153.06-8,621,912.52

Finding the Fourth Proportional to 19,981,463.90, 29,984,153.06 and 8,621,912.52

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Solution

The fourth proportional to 19,981,463.90, 29,984,153.06 and 8,621,912.52 is: 12,938,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981,463.90 : 29,984,153.06 = 8,621,912.52 : x
  2. Step 2: Convert to fraction form
    19,981,463.90/29,984,153.06 = 8,621,912.52/x
  3. Step 3: Cross multiply
    19,981,463.90x = 29,984,153.06 × 8,621,912.52
  4. Step 4: Simplify right side
    19,981,463.90x = 258,520,744,669,610.28
  5. Step 5: Solve for x
    x = 258,520,744,669,610.28/19,981,463.90
  6. Step 6: Final answer
    x = 12,938,028.26

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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.