Home / 13,480,828.58-20,219,249.65-4,959,172.14

Finding the Fourth Proportional to 13,480,828.58, 20,219,249.65 and 4,959,172.14

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Solution

The fourth proportional to 13,480,828.58, 20,219,249.65 and 4,959,172.14 is: 7,438,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,828.58 : 20,219,249.65 = 4,959,172.14 : x
  2. Step 2: Convert to fraction form
    13,480,828.58/20,219,249.65 = 4,959,172.14/x
  3. Step 3: Cross multiply
    13,480,828.58x = 20,219,249.65 × 4,959,172.14
  4. Step 4: Simplify right side
    13,480,828.58x = 100,270,739,543,586.81
  5. Step 5: Solve for x
    x = 100,270,739,543,586.81/13,480,828.58
  6. Step 6: Final answer
    x = 7,438,024.97

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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.