Home / 6,642,754.20-9,964,131.30-5,036,621.40

Finding the Fourth Proportional to 6,642,754.20, 9,964,131.30 and 5,036,621.40

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Solution

The fourth proportional to 6,642,754.20, 9,964,131.30 and 5,036,621.40 is: 7,554,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,754.20 : 9,964,131.30 = 5,036,621.40 : x
  2. Step 2: Convert to fraction form
    6,642,754.20/9,964,131.30 = 5,036,621.40/x
  3. Step 3: Cross multiply
    6,642,754.20x = 9,964,131.30 × 5,036,621.40
  4. Step 4: Simplify right side
    6,642,754.20x = 50,185,556,937,989.83
  5. Step 5: Solve for x
    x = 50,185,556,937,989.83/6,642,754.20
  6. Step 6: Final answer
    x = 7,554,932.10

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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.