Home / 12,362,721.70-18,544,082.55-8,058,049.60

Finding the Fourth Proportional to 12,362,721.70, 18,544,082.55 and 8,058,049.60

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Solution

The fourth proportional to 12,362,721.70, 18,544,082.55 and 8,058,049.60 is: 12,087,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362,721.70 : 18,544,082.55 = 8,058,049.60 : x
  2. Step 2: Convert to fraction form
    12,362,721.70/18,544,082.55 = 8,058,049.60/x
  3. Step 3: Cross multiply
    12,362,721.70x = 18,544,082.55 × 8,058,049.60
  4. Step 4: Simplify right side
    12,362,721.70x = 149,429,136,974,394.47
  5. Step 5: Solve for x
    x = 149,429,136,974,394.47/12,362,721.70
  6. Step 6: Final answer
    x = 12,087,074.40

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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.