Home / 12,178,771.17-16,806,698.39-7,283,993.18

Finding the Fourth Proportional to 12,178,771.17, 16,806,698.39 and 7,283,993.18

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Solution

The fourth proportional to 12,178,771.17, 16,806,698.39 and 7,283,993.18 is: 10,051,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,771.17 : 16,806,698.39 = 7,283,993.18 : x
  2. Step 2: Convert to fraction form
    12,178,771.17/16,806,698.39 = 7,283,993.18/x
  3. Step 3: Cross multiply
    12,178,771.17x = 16,806,698.39 × 7,283,993.18
  4. Step 4: Simplify right side
    12,178,771.17x = 122,419,876,330,623.53
  5. Step 5: Solve for x
    x = 122,419,876,330,623.53/12,178,771.17
  6. Step 6: Final answer
    x = 10,051,907.09

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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.