Home / 14,543,843.88-20,106,784.26-10,915,873.32

Finding the Fourth Proportional to 14,543,843.88, 20,106,784.26 and 10,915,873.32

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Solution

The fourth proportional to 14,543,843.88, 20,106,784.26 and 10,915,873.32 is: 15,091,134.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543,843.88 : 20,106,784.26 = 10,915,873.32 : x
  2. Step 2: Convert to fraction form
    14,543,843.88/20,106,784.26 = 10,915,873.32/x
  3. Step 3: Cross multiply
    14,543,843.88x = 20,106,784.26 × 10,915,873.32
  4. Step 4: Simplify right side
    14,543,843.88x = 219,483,109,854,729.97
  5. Step 5: Solve for x
    x = 219,483,109,854,729.97/14,543,843.88
  6. Step 6: Final answer
    x = 15,091,134.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.