Home / 15,761,814.48-23,642,721.72-12,172,816.28

Finding the Fourth Proportional to 15,761,814.48, 23,642,721.72 and 12,172,816.28

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Solution

The fourth proportional to 15,761,814.48, 23,642,721.72 and 12,172,816.28 is: 18,259,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761,814.48 : 23,642,721.72 = 12,172,816.28 : x
  2. Step 2: Convert to fraction form
    15,761,814.48/23,642,721.72 = 12,172,816.28/x
  3. Step 3: Cross multiply
    15,761,814.48x = 23,642,721.72 × 12,172,816.28
  4. Step 4: Simplify right side
    15,761,814.48x = 287,798,507,856,725.56
  5. Step 5: Solve for x
    x = 287,798,507,856,725.56/15,761,814.48
  6. Step 6: Final answer
    x = 18,259,224.42

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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.