Home / 28,858,549.12-39,824,836.19-15,627,748.86

Finding the Fourth Proportional to 28,858,549.12, 39,824,836.19 and 15,627,748.86

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Solution

The fourth proportional to 28,858,549.12, 39,824,836.19 and 15,627,748.86 is: 21,566,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,858,549.12 : 39,824,836.19 = 15,627,748.86 : x
  2. Step 2: Convert to fraction form
    28,858,549.12/39,824,836.19 = 15,627,748.86/x
  3. Step 3: Cross multiply
    28,858,549.12x = 39,824,836.19 × 15,627,748.86
  4. Step 4: Simplify right side
    28,858,549.12x = 622,372,538,289,820.50
  5. Step 5: Solve for x
    x = 622,372,538,289,820.50/28,858,549.12
  6. Step 6: Final answer
    x = 21,566,314.22

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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.