Home / 12,840,692.82-19,261,716.39-3,256,154.16

Finding the Fourth Proportional to 12,840,692.82, 19,261,716.39 and 3,256,154.16

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Solution

The fourth proportional to 12,840,692.82, 19,261,716.39 and 3,256,154.16 is: 4,884,402.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,840,692.82 : 19,261,716.39 = 3,256,154.16 : x
  2. Step 2: Convert to fraction form
    12,840,692.82/19,261,716.39 = 3,256,154.16/x
  3. Step 3: Cross multiply
    12,840,692.82x = 19,261,716.39 × 3,256,154.16
  4. Step 4: Simplify right side
    12,840,692.82x = 62,719,117,952,038.69
  5. Step 5: Solve for x
    x = 62,719,117,952,038.69/12,840,692.82
  6. Step 6: Final answer
    x = 4,884,402.95

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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.