Home / 14,667,058.70-21,991,840.05-8,991,356.30

Finding the Fourth Proportional to 14,667,058.70, 21,991,840.05 and 8,991,356.30

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Solution

The fourth proportional to 14,667,058.70, 21,991,840.05 and 8,991,356.30 is: 13,481,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,667,058.70 : 21,991,840.05 = 8,991,356.30 : x
  2. Step 2: Convert to fraction form
    14,667,058.70/21,991,840.05 = 8,991,356.30/x
  3. Step 3: Cross multiply
    14,667,058.70x = 21,991,840.05 × 8,991,356.30
  4. Step 4: Simplify right side
    14,667,058.70x = 197,736,469,582,159.84
  5. Step 5: Solve for x
    x = 197,736,469,582,159.84/14,667,058.70
  6. Step 6: Final answer
    x = 13,481,671.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.