Home / 15,276,761.66-21,081,510.50-8,401,243.70

Finding the Fourth Proportional to 15,276,761.66, 21,081,510.50 and 8,401,243.70

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Solution

The fourth proportional to 15,276,761.66, 21,081,510.50 and 8,401,243.70 is: 11,593,485.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,276,761.66 : 21,081,510.50 = 8,401,243.70 : x
  2. Step 2: Convert to fraction form
    15,276,761.66/21,081,510.50 = 8,401,243.70/x
  3. Step 3: Cross multiply
    15,276,761.66x = 21,081,510.50 × 8,401,243.70
  4. Step 4: Simplify right side
    15,276,761.66x = 177,110,907,274,608.84
  5. Step 5: Solve for x
    x = 177,110,907,274,608.84/15,276,761.66
  6. Step 6: Final answer
    x = 11,593,485.01

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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.