Home / 12,196,455.84-16,830,992.16-6,689,716.56

Finding the Fourth Proportional to 12,196,455.84, 16,830,992.16 and 6,689,716.56

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Solution

The fourth proportional to 12,196,455.84, 16,830,992.16 and 6,689,716.56 is: 9,231,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196,455.84 : 16,830,992.16 = 6,689,716.56 : x
  2. Step 2: Convert to fraction form
    12,196,455.84/16,830,992.16 = 6,689,716.56/x
  3. Step 3: Cross multiply
    12,196,455.84x = 16,830,992.16 × 6,689,716.56
  4. Step 4: Simplify right side
    12,196,455.84x = 112,594,566,973,982.16
  5. Step 5: Solve for x
    x = 112,594,566,973,982.16/12,196,455.84
  6. Step 6: Final answer
    x = 9,231,744.73

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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.