Home / 12,135,185.37-16,746,441.80-6,628,557.51

Finding the Fourth Proportional to 12,135,185.37, 16,746,441.80 and 6,628,557.51

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Solution

The fourth proportional to 12,135,185.37, 16,746,441.80 and 6,628,557.51 is: 9,147,347.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,185.37 : 16,746,441.80 = 6,628,557.51 : x
  2. Step 2: Convert to fraction form
    12,135,185.37/16,746,441.80 = 6,628,557.51/x
  3. Step 3: Cross multiply
    12,135,185.37x = 16,746,441.80 × 6,628,557.51
  4. Step 4: Simplify right side
    12,135,185.37x = 111,004,752,526,025.12
  5. Step 5: Solve for x
    x = 111,004,752,526,025.12/12,135,185.37
  6. Step 6: Final answer
    x = 9,147,347.09

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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.