Home / 38,707,825.80-58,061,738.70-28,630,129.80

Finding the Fourth Proportional to 38,707,825.80, 58,061,738.70 and 28,630,129.80

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Solution

The fourth proportional to 38,707,825.80, 58,061,738.70 and 28,630,129.80 is: 42,945,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,707,825.80 : 58,061,738.70 = 28,630,129.80 : x
  2. Step 2: Convert to fraction form
    38,707,825.80/58,061,738.70 = 28,630,129.80/x
  3. Step 3: Cross multiply
    38,707,825.80x = 58,061,738.70 × 28,630,129.80
  4. Step 4: Simplify right side
    38,707,825.80x = 1,662,315,115,394,683.50
  5. Step 5: Solve for x
    x = 1,662,315,115,394,683.50/38,707,825.80
  6. Step 6: Final answer
    x = 42,945,194.70

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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.