Home / 21,004,106.81-31,446,745.58-11,133,679.71

Finding the Fourth Proportional to 21,004,106.81, 31,446,745.58 and 11,133,679.71

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Solution

The fourth proportional to 21,004,106.81, 31,446,745.58 and 11,133,679.71 is: 16,669,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,004,106.81 : 31,446,745.58 = 11,133,679.71 : x
  2. Step 2: Convert to fraction form
    21,004,106.81/31,446,745.58 = 11,133,679.71/x
  3. Step 3: Cross multiply
    21,004,106.81x = 31,446,745.58 × 11,133,679.71
  4. Step 4: Simplify right side
    21,004,106.81x = 350,117,993,153,909.81
  5. Step 5: Solve for x
    x = 350,117,993,153,909.81/21,004,106.81
  6. Step 6: Final answer
    x = 16,669,025.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.