Home / 15,276,770.91-21,081,523.32-8,401,253.04

Finding the Fourth Proportional to 15,276,770.91, 21,081,523.32 and 8,401,253.04

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Solution

The fourth proportional to 15,276,770.91, 21,081,523.32 and 8,401,253.04 is: 11,593,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,770.91 : 21,081,523.32 = 8,401,253.04 : x
  2. Step 2: Convert to fraction form
    15,276,770.91/21,081,523.32 = 8,401,253.04/x
  3. Step 3: Cross multiply
    15,276,770.91x = 21,081,523.32 × 8,401,253.04
  4. Step 4: Simplify right side
    15,276,770.91x = 177,111,211,879,980.88
  5. Step 5: Solve for x
    x = 177,111,211,879,980.88/15,276,770.91
  6. Step 6: Final answer
    x = 11,593,497.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.