Home / 18,222,709.40-27,302,571.30-8,617,405.40

Finding the Fourth Proportional to 18,222,709.40, 27,302,571.30 and 8,617,405.40

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Solution

The fourth proportional to 18,222,709.40, 27,302,571.30 and 8,617,405.40 is: 12,911,215.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222,709.40 : 27,302,571.30 = 8,617,405.40 : x
  2. Step 2: Convert to fraction form
    18,222,709.40/27,302,571.30 = 8,617,405.40/x
  3. Step 3: Cross multiply
    18,222,709.40x = 27,302,571.30 × 8,617,405.40
  4. Step 4: Simplify right side
    18,222,709.40x = 235,277,325,354,505.03
  5. Step 5: Solve for x
    x = 235,277,325,354,505.03/18,222,709.40
  6. Step 6: Final answer
    x = 12,911,215.35

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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.