Home / 12,351,809.23-18,510,673.68-8,912,692.95

Finding the Fourth Proportional to 12,351,809.23, 18,510,673.68 and 8,912,692.95

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Solution

The fourth proportional to 12,351,809.23, 18,510,673.68 and 8,912,692.95 is: 13,356,743.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351,809.23 : 18,510,673.68 = 8,912,692.95 : x
  2. Step 2: Convert to fraction form
    12,351,809.23/18,510,673.68 = 8,912,692.95/x
  3. Step 3: Cross multiply
    12,351,809.23x = 18,510,673.68 × 8,912,692.95
  4. Step 4: Simplify right side
    12,351,809.23x = 164,979,950,807,486.53
  5. Step 5: Solve for x
    x = 164,979,950,807,486.53/12,351,809.23
  6. Step 6: Final answer
    x = 13,356,743.76

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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.