Home / 16,638,459.36-22,962,262.14-9,195,961.28

Finding the Fourth Proportional to 16,638,459.36, 22,962,262.14 and 9,195,961.28

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Solution

The fourth proportional to 16,638,459.36, 22,962,262.14 and 9,195,961.28 is: 12,691,083.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638,459.36 : 22,962,262.14 = 9,195,961.28 : x
  2. Step 2: Convert to fraction form
    16,638,459.36/22,962,262.14 = 9,195,961.28/x
  3. Step 3: Cross multiply
    16,638,459.36x = 22,962,262.14 × 9,195,961.28
  4. Step 4: Simplify right side
    16,638,459.36x = 211,160,073,540,649.94
  5. Step 5: Solve for x
    x = 211,160,073,540,649.94/16,638,459.36
  6. Step 6: Final answer
    x = 12,691,083.29

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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.