Home / 14,092,569.78-21,131,161.92-4,243,196.58

Finding the Fourth Proportional to 14,092,569.78, 21,131,161.92 and 4,243,196.58

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Solution

The fourth proportional to 14,092,569.78, 21,131,161.92 and 4,243,196.58 is: 6,362,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092,569.78 : 21,131,161.92 = 4,243,196.58 : x
  2. Step 2: Convert to fraction form
    14,092,569.78/21,131,161.92 = 4,243,196.58/x
  3. Step 3: Cross multiply
    14,092,569.78x = 21,131,161.92 × 4,243,196.58
  4. Step 4: Simplify right side
    14,092,569.78x = 89,663,673,990,370.25
  5. Step 5: Solve for x
    x = 89,663,673,990,370.25/14,092,569.78
  6. Step 6: Final answer
    x = 6,362,478.62

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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.