Home / 19,920,661.43-27,489,787.02-11,099,656.94

Finding the Fourth Proportional to 19,920,661.43, 27,489,787.02 and 11,099,656.94

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Solution

The fourth proportional to 19,920,661.43, 27,489,787.02 and 11,099,656.94 is: 15,317,122.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920,661.43 : 27,489,787.02 = 11,099,656.94 : x
  2. Step 2: Convert to fraction form
    19,920,661.43/27,489,787.02 = 11,099,656.94/x
  3. Step 3: Cross multiply
    19,920,661.43x = 27,489,787.02 × 11,099,656.94
  4. Step 4: Simplify right side
    19,920,661.43x = 305,127,205,275,664.88
  5. Step 5: Solve for x
    x = 305,127,205,275,664.88/19,920,661.43
  6. Step 6: Final answer
    x = 15,317,122.19

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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.