Home / 20,261,629.20-30,392,443.80-6,078,205.20

Finding the Fourth Proportional to 20,261,629.20, 30,392,443.80 and 6,078,205.20

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Solution

The fourth proportional to 20,261,629.20, 30,392,443.80 and 6,078,205.20 is: 9,117,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,261,629.20 : 30,392,443.80 = 6,078,205.20 : x
  2. Step 2: Convert to fraction form
    20,261,629.20/30,392,443.80 = 6,078,205.20/x
  3. Step 3: Cross multiply
    20,261,629.20x = 30,392,443.80 × 6,078,205.20
  4. Step 4: Simplify right side
    20,261,629.20x = 184,731,509,945,867.78
  5. Step 5: Solve for x
    x = 184,731,509,945,867.78/20,261,629.20
  6. Step 6: Final answer
    x = 9,117,307.80

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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.