Home / 20,548,803.79-30,824,645.02-8,252,768.08

Finding the Fourth Proportional to 20,548,803.79, 30,824,645.02 and 8,252,768.08

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Solution

The fourth proportional to 20,548,803.79, 30,824,645.02 and 8,252,768.08 is: 12,379,730.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548,803.79 : 30,824,645.02 = 8,252,768.08 : x
  2. Step 2: Convert to fraction form
    20,548,803.79/30,824,645.02 = 8,252,768.08/x
  3. Step 3: Cross multiply
    20,548,803.79x = 30,824,645.02 × 8,252,768.08
  4. Step 4: Simplify right side
    20,548,803.79x = 254,388,646,389,319.03
  5. Step 5: Solve for x
    x = 254,388,646,389,319.03/20,548,803.79
  6. Step 6: Final answer
    x = 12,379,730.18

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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.