Home / 13,122,004.08-18,108,376.98-7,320,787.02

Finding the Fourth Proportional to 13,122,004.08, 18,108,376.98 and 7,320,787.02

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Solution

The fourth proportional to 13,122,004.08, 18,108,376.98 and 7,320,787.02 is: 10,102,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,004.08 : 18,108,376.98 = 7,320,787.02 : x
  2. Step 2: Convert to fraction form
    13,122,004.08/18,108,376.98 = 7,320,787.02/x
  3. Step 3: Cross multiply
    13,122,004.08x = 18,108,376.98 × 7,320,787.02
  4. Step 4: Simplify right side
    13,122,004.08x = 132,567,571,148,450.80
  5. Step 5: Solve for x
    x = 132,567,571,148,450.80/13,122,004.08
  6. Step 6: Final answer
    x = 10,102,692.42

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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.