Home / 21,548,087.16-29,736,991.24-11,759,162.12

Finding the Fourth Proportional to 21,548,087.16, 29,736,991.24 and 11,759,162.12

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Solution

The fourth proportional to 21,548,087.16, 29,736,991.24 and 11,759,162.12 is: 16,227,988.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,087.16 : 29,736,991.24 = 11,759,162.12 : x
  2. Step 2: Convert to fraction form
    21,548,087.16/29,736,991.24 = 11,759,162.12/x
  3. Step 3: Cross multiply
    21,548,087.16x = 29,736,991.24 × 11,759,162.12
  4. Step 4: Simplify right side
    21,548,087.16x = 349,682,100,952,179.81
  5. Step 5: Solve for x
    x = 349,682,100,952,179.81/21,548,087.16
  6. Step 6: Final answer
    x = 16,227,988.05

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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.