Home / 18,831,288.12-25,987,073.16-10,571,348.22

Finding the Fourth Proportional to 18,831,288.12, 25,987,073.16 and 10,571,348.22

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Solution

The fourth proportional to 18,831,288.12, 25,987,073.16 and 10,571,348.22 is: 14,588,401.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,831,288.12 : 25,987,073.16 = 10,571,348.22 : x
  2. Step 2: Convert to fraction form
    18,831,288.12/25,987,073.16 = 10,571,348.22/x
  3. Step 3: Cross multiply
    18,831,288.12x = 25,987,073.16 × 10,571,348.22
  4. Step 4: Simplify right side
    18,831,288.12x = 274,718,399,592,975.78
  5. Step 5: Solve for x
    x = 274,718,399,592,975.78/18,831,288.12
  6. Step 6: Final answer
    x = 14,588,401.91

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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.