Home / 10,368,036.20-15,552,054.30-8,203,197.80

Finding the Fourth Proportional to 10,368,036.20, 15,552,054.30 and 8,203,197.80

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Solution

The fourth proportional to 10,368,036.20, 15,552,054.30 and 8,203,197.80 is: 12,304,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,036.20 : 15,552,054.30 = 8,203,197.80 : x
  2. Step 2: Convert to fraction form
    10,368,036.20/15,552,054.30 = 8,203,197.80/x
  3. Step 3: Cross multiply
    10,368,036.20x = 15,552,054.30 × 8,203,197.80
  4. Step 4: Simplify right side
    10,368,036.20x = 127,576,577,619,240.55
  5. Step 5: Solve for x
    x = 127,576,577,619,240.55/10,368,036.20
  6. Step 6: Final answer
    x = 12,304,796.70

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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.