Home / 21,621,098.07-29,837,117.61-11,831,544.27

Finding the Fourth Proportional to 21,621,098.07, 29,837,117.61 and 11,831,544.27

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Solution

The fourth proportional to 21,621,098.07, 29,837,117.61 and 11,831,544.27 is: 16,327,532.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621,098.07 : 29,837,117.61 = 11,831,544.27 : x
  2. Step 2: Convert to fraction form
    21,621,098.07/29,837,117.61 = 11,831,544.27/x
  3. Step 3: Cross multiply
    21,621,098.07x = 29,837,117.61 × 11,831,544.27
  4. Step 4: Simplify right side
    21,621,098.07x = 353,019,177,891,911.56
  5. Step 5: Solve for x
    x = 353,019,177,891,911.56/21,621,098.07
  6. Step 6: Final answer
    x = 16,327,532.34

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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.