Home / 37,515,894.96-51,777,372.32-21,617,886.78

Finding the Fourth Proportional to 37,515,894.96, 51,777,372.32 and 21,617,886.78

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Solution

The fourth proportional to 37,515,894.96, 51,777,372.32 and 21,617,886.78 is: 29,835,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,515,894.96 : 51,777,372.32 = 21,617,886.78 : x
  2. Step 2: Convert to fraction form
    37,515,894.96/51,777,372.32 = 21,617,886.78/x
  3. Step 3: Cross multiply
    37,515,894.96x = 51,777,372.32 × 21,617,886.78
  4. Step 4: Simplify right side
    37,515,894.96x = 1,119,317,372,552,643.62
  5. Step 5: Solve for x
    x = 1,119,317,372,552,643.62/37,515,894.96
  6. Step 6: Final answer
    x = 29,835,816.89

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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.