Home / 20,950,466.24-28,895,264.60-13,610,664.27

Finding the Fourth Proportional to 20,950,466.24, 28,895,264.60 and 13,610,664.27

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Solution

The fourth proportional to 20,950,466.24, 28,895,264.60 and 13,610,664.27 is: 18,772,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950,466.24 : 28,895,264.60 = 13,610,664.27 : x
  2. Step 2: Convert to fraction form
    20,950,466.24/28,895,264.60 = 13,610,664.27/x
  3. Step 3: Cross multiply
    20,950,466.24x = 28,895,264.60 × 13,610,664.27
  4. Step 4: Simplify right side
    20,950,466.24x = 393,283,745,371,532.44
  5. Step 5: Solve for x
    x = 393,283,745,371,532.44/20,950,466.24
  6. Step 6: Final answer
    x = 18,772,076.04

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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.