Home / 38,247,494.85-52,780,003.07-20,843,466.39

Finding the Fourth Proportional to 38,247,494.85, 52,780,003.07 and 20,843,466.39

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Solution

The fourth proportional to 38,247,494.85, 52,780,003.07 and 20,843,466.39 is: 28,763,144.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,494.85 : 52,780,003.07 = 20,843,466.39 : x
  2. Step 2: Convert to fraction form
    38,247,494.85/52,780,003.07 = 20,843,466.39/x
  3. Step 3: Cross multiply
    38,247,494.85x = 52,780,003.07 × 20,843,466.39
  4. Step 4: Simplify right side
    38,247,494.85x = 1,100,118,219,949,424.50
  5. Step 5: Solve for x
    x = 1,100,118,219,949,424.50/38,247,494.85
  6. Step 6: Final answer
    x = 28,763,144.47

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1.5x scale

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.