Home / 15,590,697.43-21,515,301.73-8,621,844.03

Finding the Fourth Proportional to 15,590,697.43, 21,515,301.73 and 8,621,844.03

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Solution

The fourth proportional to 15,590,697.43, 21,515,301.73 and 8,621,844.03 is: 11,898,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,590,697.43 : 21,515,301.73 = 8,621,844.03 : x
  2. Step 2: Convert to fraction form
    15,590,697.43/21,515,301.73 = 8,621,844.03/x
  3. Step 3: Cross multiply
    15,590,697.43x = 21,515,301.73 × 8,621,844.03
  4. Step 4: Simplify right side
    15,590,697.43x = 185,501,575,736,728.59
  5. Step 5: Solve for x
    x = 185,501,575,736,728.59/15,590,697.43
  6. Step 6: Final answer
    x = 11,898,221.78

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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.