Home / 41,899,928.40-57,848,466.60-28,691,208.72

Finding the Fourth Proportional to 41,899,928.40, 57,848,466.60 and 28,691,208.72

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Solution

The fourth proportional to 41,899,928.40, 57,848,466.60 and 28,691,208.72 is: 39,612,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,899,928.40 : 57,848,466.60 = 28,691,208.72 : x
  2. Step 2: Convert to fraction form
    41,899,928.40/57,848,466.60 = 28,691,208.72/x
  3. Step 3: Cross multiply
    41,899,928.40x = 57,848,466.60 × 28,691,208.72
  4. Step 4: Simplify right side
    41,899,928.40x = 1,659,742,429,352,548.75
  5. Step 5: Solve for x
    x = 1,659,742,429,352,548.75/41,899,928.40
  6. Step 6: Final answer
    x = 39,612,058.84

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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.