Home / 12,415,320.90-18,623,768.54-3,895,993.62

Finding the Fourth Proportional to 12,415,320.90, 18,623,768.54 and 3,895,993.62

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Solution

The fourth proportional to 12,415,320.90, 18,623,768.54 and 3,895,993.62 is: 5,844,237.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,320.90 : 18,623,768.54 = 3,895,993.62 : x
  2. Step 2: Convert to fraction form
    12,415,320.90/18,623,768.54 = 3,895,993.62/x
  3. Step 3: Cross multiply
    12,415,320.90x = 18,623,768.54 × 3,895,993.62
  4. Step 4: Simplify right side
    12,415,320.90x = 72,558,083,392,716.75
  5. Step 5: Solve for x
    x = 72,558,083,392,716.75/12,415,320.90
  6. Step 6: Final answer
    x = 5,844,237.45

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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.