Home / 21,439,028.20-29,586,045.78-11,649,472.32

Finding the Fourth Proportional to 21,439,028.20, 29,586,045.78 and 11,649,472.32

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Solution

The fourth proportional to 21,439,028.20, 29,586,045.78 and 11,649,472.32 is: 16,076,373.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,439,028.20 : 29,586,045.78 = 11,649,472.32 : x
  2. Step 2: Convert to fraction form
    21,439,028.20/29,586,045.78 = 11,649,472.32/x
  3. Step 3: Cross multiply
    21,439,028.20x = 29,586,045.78 × 11,649,472.32
  4. Step 4: Simplify right side
    21,439,028.20x = 344,661,821,372,362.81
  5. Step 5: Solve for x
    x = 344,661,821,372,362.81/21,439,028.20
  6. Step 6: Final answer
    x = 16,076,373.34

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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.