Home / 20,261,563.20-30,392,344.80-6,078,139.20

Finding the Fourth Proportional to 20,261,563.20, 30,392,344.80 and 6,078,139.20

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Solution

The fourth proportional to 20,261,563.20, 30,392,344.80 and 6,078,139.20 is: 9,117,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,563.20 : 30,392,344.80 = 6,078,139.20 : x
  2. Step 2: Convert to fraction form
    20,261,563.20/30,392,344.80 = 6,078,139.20/x
  3. Step 3: Cross multiply
    20,261,563.20x = 30,392,344.80 × 6,078,139.20
  4. Step 4: Simplify right side
    20,261,563.20x = 184,728,902,308,796.16
  5. Step 5: Solve for x
    x = 184,728,902,308,796.16/20,261,563.20
  6. Step 6: Final answer
    x = 9,117,208.80

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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.