Home / 21,439,039.54-29,586,061.73-11,649,483.49

Finding the Fourth Proportional to 21,439,039.54, 29,586,061.73 and 11,649,483.49

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Solution

The fourth proportional to 21,439,039.54, 29,586,061.73 and 11,649,483.49 is: 16,076,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,439,039.54 : 29,586,061.73 = 11,649,483.49 : x
  2. Step 2: Convert to fraction form
    21,439,039.54/29,586,061.73 = 11,649,483.49/x
  3. Step 3: Cross multiply
    21,439,039.54x = 29,586,061.73 × 11,649,483.49
  4. Step 4: Simplify right side
    21,439,039.54x = 344,662,337,612,914.44
  5. Step 5: Solve for x
    x = 344,662,337,612,914.44/21,439,039.54
  6. Step 6: Final answer
    x = 16,076,388.92

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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.