Home / 9,630,431.60-13,278,374.39-8,321,317.70

Finding the Fourth Proportional to 9,630,431.60, 13,278,374.39 and 8,321,317.70

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Solution

The fourth proportional to 9,630,431.60, 13,278,374.39 and 8,321,317.70 is: 11,473,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630,431.60 : 13,278,374.39 = 8,321,317.70 : x
  2. Step 2: Convert to fraction form
    9,630,431.60/13,278,374.39 = 8,321,317.70/x
  3. Step 3: Cross multiply
    9,630,431.60x = 13,278,374.39 × 8,321,317.70
  4. Step 4: Simplify right side
    9,630,431.60x = 110,493,571,730,735.25
  5. Step 5: Solve for x
    x = 110,493,571,730,735.25/9,630,431.60
  6. Step 6: Final answer
    x = 11,473,376.93

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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.