Home / 12,452,945.44-18,705,968.80-11,724,871.28

Finding the Fourth Proportional to 12,452,945.44, 18,705,968.80 and 11,724,871.28

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Solution

The fourth proportional to 12,452,945.44, 18,705,968.80 and 11,724,871.28 is: 17,612,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452,945.44 : 18,705,968.80 = 11,724,871.28 : x
  2. Step 2: Convert to fraction form
    12,452,945.44/18,705,968.80 = 11,724,871.28/x
  3. Step 3: Cross multiply
    12,452,945.44x = 18,705,968.80 × 11,724,871.28
  4. Step 4: Simplify right side
    12,452,945.44x = 219,325,076,347,696.06
  5. Step 5: Solve for x
    x = 219,325,076,347,696.06/12,452,945.44
  6. Step 6: Final answer
    x = 17,612,305.25

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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.