Home / 6,642,823.20-9,964,234.80-5,036,690.40

Finding the Fourth Proportional to 6,642,823.20, 9,964,234.80 and 5,036,690.40

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Solution

The fourth proportional to 6,642,823.20, 9,964,234.80 and 5,036,690.40 is: 7,555,035.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,823.20 : 9,964,234.80 = 5,036,690.40 : x
  2. Step 2: Convert to fraction form
    6,642,823.20/9,964,234.80 = 5,036,690.40/x
  3. Step 3: Cross multiply
    6,642,823.20x = 9,964,234.80 × 5,036,690.40
  4. Step 4: Simplify right side
    6,642,823.20x = 50,186,765,760,505.93
  5. Step 5: Solve for x
    x = 50,186,765,760,505.93/6,642,823.20
  6. Step 6: Final answer
    x = 7,555,035.60

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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.