Home / 7,141,529-9,855,484.44-3,878,481.08

Finding the Fourth Proportional to 7,141,529, 9,855,484.44 and 3,878,481.08

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Solution

The fourth proportional to 7,141,529, 9,855,484.44 and 3,878,481.08 is: 5,352,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141,529 : 9,855,484.44 = 3,878,481.08 : x
  2. Step 2: Convert to fraction form
    7,141,529/9,855,484.44 = 3,878,481.08/x
  3. Step 3: Cross multiply
    7,141,529x = 9,855,484.44 × 3,878,481.08
  4. Step 4: Simplify right side
    7,141,529x = 38,224,309,934,774.39
  5. Step 5: Solve for x
    x = 38,224,309,934,774.39/7,141,529
  6. Step 6: Final answer
    x = 5,352,398.62

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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.