Home / 19,095,145.20-28,642,717.80-11,536,873.20

Finding the Fourth Proportional to 19,095,145.20, 28,642,717.80 and 11,536,873.20

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Solution

The fourth proportional to 19,095,145.20, 28,642,717.80 and 11,536,873.20 is: 17,305,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,095,145.20 : 28,642,717.80 = 11,536,873.20 : x
  2. Step 2: Convert to fraction form
    19,095,145.20/28,642,717.80 = 11,536,873.20/x
  3. Step 3: Cross multiply
    19,095,145.20x = 28,642,717.80 × 11,536,873.20
  4. Step 4: Simplify right side
    19,095,145.20x = 330,447,403,361,982.94
  5. Step 5: Solve for x
    x = 330,447,403,361,982.94/19,095,145.20
  6. Step 6: Final answer
    x = 17,305,309.80

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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.