Home / 40,503,512.56-55,894,845.60-21,918,653.28

Finding the Fourth Proportional to 40,503,512.56, 55,894,845.60 and 21,918,653.28

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Solution

The fourth proportional to 40,503,512.56, 55,894,845.60 and 21,918,653.28 is: 30,247,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,503,512.56 : 55,894,845.60 = 21,918,653.28 : x
  2. Step 2: Convert to fraction form
    40,503,512.56/55,894,845.60 = 21,918,653.28/x
  3. Step 3: Cross multiply
    40,503,512.56x = 55,894,845.60 × 21,918,653.28
  4. Step 4: Simplify right side
    40,503,512.56x = 1,225,139,740,845,533.75
  5. Step 5: Solve for x
    x = 1,225,139,740,845,533.75/40,503,512.56
  6. Step 6: Final answer
    x = 30,247,740.59

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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.