Home / 15,404,785.04-21,259,267.62-8,529,267.08

Finding the Fourth Proportional to 15,404,785.04, 21,259,267.62 and 8,529,267.08

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Solution

The fourth proportional to 15,404,785.04, 21,259,267.62 and 8,529,267.08 is: 11,770,756.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404,785.04 : 21,259,267.62 = 8,529,267.08 : x
  2. Step 2: Convert to fraction form
    15,404,785.04/21,259,267.62 = 8,529,267.08/x
  3. Step 3: Cross multiply
    15,404,785.04x = 21,259,267.62 × 8,529,267.08
  4. Step 4: Simplify right side
    15,404,785.04x = 181,325,971,456,175.97
  5. Step 5: Solve for x
    x = 181,325,971,456,175.97/15,404,785.04
  6. Step 6: Final answer
    x = 11,770,756.36

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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.