Home / 19,372,467-26,734,004.46-11,228,428.92

Finding the Fourth Proportional to 19,372,467, 26,734,004.46 and 11,228,428.92

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Solution

The fourth proportional to 19,372,467, 26,734,004.46 and 11,228,428.92 is: 15,495,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372,467 : 26,734,004.46 = 11,228,428.92 : x
  2. Step 2: Convert to fraction form
    19,372,467/26,734,004.46 = 11,228,428.92/x
  3. Step 3: Cross multiply
    19,372,467x = 26,734,004.46 × 11,228,428.92
  4. Step 4: Simplify right side
    19,372,467x = 300,180,868,826,073
  5. Step 5: Solve for x
    x = 300,180,868,826,073/19,372,467
  6. Step 6: Final answer
    x = 15,495,231.91

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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.