Home / 28,772,504.70-43,120,965.42-13,630,766.46

Finding the Fourth Proportional to 28,772,504.70, 43,120,965.42 and 13,630,766.46

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Solution

The fourth proportional to 28,772,504.70, 43,120,965.42 and 13,630,766.46 is: 20,428,246.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,772,504.70 : 43,120,965.42 = 13,630,766.46 : x
  2. Step 2: Convert to fraction form
    28,772,504.70/43,120,965.42 = 13,630,766.46/x
  3. Step 3: Cross multiply
    28,772,504.70x = 43,120,965.42 × 13,630,766.46
  4. Step 4: Simplify right side
    28,772,504.70x = 587,771,809,169,755.88
  5. Step 5: Solve for x
    x = 587,771,809,169,755.88/28,772,504.70
  6. Step 6: Final answer
    x = 20,428,246.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.