Home / 16,638,455.88-22,962,257.28-9,195,957.80

Finding the Fourth Proportional to 16,638,455.88, 22,962,257.28 and 9,195,957.80

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Solution

The fourth proportional to 16,638,455.88, 22,962,257.28 and 9,195,957.80 is: 12,691,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638,455.88 : 22,962,257.28 = 9,195,957.80 : x
  2. Step 2: Convert to fraction form
    16,638,455.88/22,962,257.28 = 9,195,957.80/x
  3. Step 3: Cross multiply
    16,638,455.88x = 22,962,257.28 × 9,195,957.80
  4. Step 4: Simplify right side
    16,638,455.88x = 211,159,948,824,811.50
  5. Step 5: Solve for x
    x = 211,159,948,824,811.50/16,638,455.88
  6. Step 6: Final answer
    x = 12,691,078.45

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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.