Home / 30,895,847.20-46,343,770.80-8,179,040.80

Finding the Fourth Proportional to 30,895,847.20, 46,343,770.80 and 8,179,040.80

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Solution

The fourth proportional to 30,895,847.20, 46,343,770.80 and 8,179,040.80 is: 12,268,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,895,847.20 : 46,343,770.80 = 8,179,040.80 : x
  2. Step 2: Convert to fraction form
    30,895,847.20/46,343,770.80 = 8,179,040.80/x
  3. Step 3: Cross multiply
    30,895,847.20x = 46,343,770.80 × 8,179,040.80
  4. Step 4: Simplify right side
    30,895,847.20x = 379,047,592,199,048.62
  5. Step 5: Solve for x
    x = 379,047,592,199,048.62/30,895,847.20
  6. Step 6: Final answer
    x = 12,268,561.20

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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.