Home / 19,387,315.20-29,056,089.60-11,806,233.60

Finding the Fourth Proportional to 19,387,315.20, 29,056,089.60 and 11,806,233.60

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Solution

The fourth proportional to 19,387,315.20, 29,056,089.60 and 11,806,233.60 is: 17,694,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387,315.20 : 29,056,089.60 = 11,806,233.60 : x
  2. Step 2: Convert to fraction form
    19,387,315.20/29,056,089.60 = 11,806,233.60/x
  3. Step 3: Cross multiply
    19,387,315.20x = 29,056,089.60 × 11,806,233.60
  4. Step 4: Simplify right side
    19,387,315.20x = 343,042,981,320,130.56
  5. Step 5: Solve for x
    x = 343,042,981,320,130.56/19,387,315.20
  6. Step 6: Final answer
    x = 17,694,197.35

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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.