Home / 19,869,253.05-27,419,816.36-12,028,661.22

Finding the Fourth Proportional to 19,869,253.05, 27,419,816.36 and 12,028,661.22

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Solution

The fourth proportional to 19,869,253.05, 27,419,816.36 and 12,028,661.22 is: 16,599,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,869,253.05 : 27,419,816.36 = 12,028,661.22 : x
  2. Step 2: Convert to fraction form
    19,869,253.05/27,419,816.36 = 12,028,661.22/x
  3. Step 3: Cross multiply
    19,869,253.05x = 27,419,816.36 × 12,028,661.22
  4. Step 4: Simplify right side
    19,869,253.05x = 329,823,681,648,910.25
  5. Step 5: Solve for x
    x = 329,823,681,648,910.25/19,869,253.05
  6. Step 6: Final answer
    x = 16,599,702.10

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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.