Home / 18,479,872.99-25,502,394-10,219,508.38

Finding the Fourth Proportional to 18,479,872.99, 25,502,394 and 10,219,508.38

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Solution

The fourth proportional to 18,479,872.99, 25,502,394 and 10,219,508.38 is: 14,103,015.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479,872.99 : 25,502,394 = 10,219,508.38 : x
  2. Step 2: Convert to fraction form
    18,479,872.99/25,502,394 = 10,219,508.38/x
  3. Step 3: Cross multiply
    18,479,872.99x = 25,502,394 × 10,219,508.38
  4. Step 4: Simplify right side
    18,479,872.99x = 260,621,929,193,061.75
  5. Step 5: Solve for x
    x = 260,621,929,193,061.75/18,479,872.99
  6. Step 6: Final answer
    x = 14,103,015.17

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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.