Home / 11,945,980.05-16,486,716.65-7,302,483.56

Finding the Fourth Proportional to 11,945,980.05, 16,486,716.65 and 7,302,483.56

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Solution

The fourth proportional to 11,945,980.05, 16,486,716.65 and 7,302,483.56 is: 10,078,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,945,980.05 : 16,486,716.65 = 7,302,483.56 : x
  2. Step 2: Convert to fraction form
    11,945,980.05/16,486,716.65 = 7,302,483.56/x
  3. Step 3: Cross multiply
    11,945,980.05x = 16,486,716.65 × 7,302,483.56
  4. Step 4: Simplify right side
    11,945,980.05x = 120,393,977,176,057.27
  5. Step 5: Solve for x
    x = 120,393,977,176,057.27/11,945,980.05
  6. Step 6: Final answer
    x = 10,078,200.09

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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.