Finding the Fourth Proportional to 39,982,789.41, 59,928,845.49 and 18,372,737.55
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Solution
The fourth proportional to 39,982,789.41, 59,928,845.49 and 18,372,737.55 is: 27,538,272.49
Step by Step Solution
- Step 1: Write the proportion equation
39,982,789.41 : 59,928,845.49 = 18,372,737.55 : x - Step 2: Convert to fraction form
39,982,789.41/59,928,845.49 = 18,372,737.55/x - Step 3: Cross multiply
39,982,789.41x = 59,928,845.49 × 18,372,737.55 - Step 4: Simplify right side
39,982,789.41x = 1,101,056,949,862,271.25 - Step 5: Solve for x
x = 1,101,056,949,862,271.25/39,982,789.41 - Step 6: Final answer
x = 27,538,272.49
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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.