Home / 15,276,619.14-21,081,314.04-8,401,101.20

Finding the Fourth Proportional to 15,276,619.14, 21,081,314.04 and 8,401,101.20

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Solution

The fourth proportional to 15,276,619.14, 21,081,314.04 and 8,401,101.20 is: 11,593,288.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,619.14 : 21,081,314.04 = 8,401,101.20 : x
  2. Step 2: Convert to fraction form
    15,276,619.14/21,081,314.04 = 8,401,101.20/x
  3. Step 3: Cross multiply
    15,276,619.14x = 21,081,314.04 × 8,401,101.20
  4. Step 4: Simplify right side
    15,276,619.14x = 177,106,252,621,165.06
  5. Step 5: Solve for x
    x = 177,106,252,621,165.06/15,276,619.14
  6. Step 6: Final answer
    x = 11,593,288.48

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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.