Home / 21,010,663.24-31,513,627.74-5,659,076.56

Finding the Fourth Proportional to 21,010,663.24, 31,513,627.74 and 5,659,076.56

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Solution

The fourth proportional to 21,010,663.24, 31,513,627.74 and 5,659,076.56 is: 8,487,977.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,010,663.24 : 31,513,627.74 = 5,659,076.56 : x
  2. Step 2: Convert to fraction form
    21,010,663.24/31,513,627.74 = 5,659,076.56/x
  3. Step 3: Cross multiply
    21,010,663.24x = 31,513,627.74 × 5,659,076.56
  4. Step 4: Simplify right side
    21,010,663.24x = 178,338,032,063,999.75
  5. Step 5: Solve for x
    x = 178,338,032,063,999.75/21,010,663.24
  6. Step 6: Final answer
    x = 8,487,977.27

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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.