Home / 12,855,102.72-19,269,096.84-4,216,947.36

Finding the Fourth Proportional to 12,855,102.72, 19,269,096.84 and 4,216,947.36

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Solution

The fourth proportional to 12,855,102.72, 19,269,096.84 and 4,216,947.36 is: 6,320,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,855,102.72 : 19,269,096.84 = 4,216,947.36 : x
  2. Step 2: Convert to fraction form
    12,855,102.72/19,269,096.84 = 4,216,947.36/x
  3. Step 3: Cross multiply
    12,855,102.72x = 19,269,096.84 × 4,216,947.36
  4. Step 4: Simplify right side
    12,855,102.72x = 81,256,767,049,022.34
  5. Step 5: Solve for x
    x = 81,256,767,049,022.34/12,855,102.72
  6. Step 6: Final answer
    x = 6,320,973.77

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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.