Home / 21,184,105.54-29,235,036.71-11,764,939.68

Finding the Fourth Proportional to 21,184,105.54, 29,235,036.71 and 11,764,939.68

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Solution

The fourth proportional to 21,184,105.54, 29,235,036.71 and 11,764,939.68 is: 16,236,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,184,105.54 : 29,235,036.71 = 11,764,939.68 : x
  2. Step 2: Convert to fraction form
    21,184,105.54/29,235,036.71 = 11,764,939.68/x
  3. Step 3: Cross multiply
    21,184,105.54x = 29,235,036.71 × 11,764,939.68
  4. Step 4: Simplify right side
    21,184,105.54x = 343,948,443,296,429.19
  5. Step 5: Solve for x
    x = 343,948,443,296,429.19/21,184,105.54
  6. Step 6: Final answer
    x = 16,236,156.05

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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.