Home / 20,261,621.70-30,392,432.55-6,078,197.70

Finding the Fourth Proportional to 20,261,621.70, 30,392,432.55 and 6,078,197.70

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Solution

The fourth proportional to 20,261,621.70, 30,392,432.55 and 6,078,197.70 is: 9,117,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,621.70 : 30,392,432.55 = 6,078,197.70 : x
  2. Step 2: Convert to fraction form
    20,261,621.70/30,392,432.55 = 6,078,197.70/x
  3. Step 3: Cross multiply
    20,261,621.70x = 30,392,432.55 × 6,078,197.70
  4. Step 4: Simplify right side
    20,261,621.70x = 184,731,213,622,815.16
  5. Step 5: Solve for x
    x = 184,731,213,622,815.16/20,261,621.70
  6. Step 6: Final answer
    x = 9,117,296.55

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1.5x scale

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.