Home / 10,582,721.20-15,870,145.20-4,191,651.10

Finding the Fourth Proportional to 10,582,721.20, 15,870,145.20 and 4,191,651.10

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Solution

The fourth proportional to 10,582,721.20, 15,870,145.20 and 4,191,651.10 is: 6,285,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,582,721.20 : 15,870,145.20 = 4,191,651.10 : x
  2. Step 2: Convert to fraction form
    10,582,721.20/15,870,145.20 = 4,191,651.10/x
  3. Step 3: Cross multiply
    10,582,721.20x = 15,870,145.20 × 4,191,651.10
  4. Step 4: Simplify right side
    10,582,721.20x = 66,522,111,584,739.72
  5. Step 5: Solve for x
    x = 66,522,111,584,739.72/10,582,721.20
  6. Step 6: Final answer
    x = 6,285,917.42

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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.