Finding the Fourth Proportional to 39,935,845.36, 55,106,724.36 and 22,531,174.48
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Solution
The fourth proportional to 39,935,845.36, 55,106,724.36 and 22,531,174.48 is: 31,090,345.29
Step by Step Solution
- Step 1: Write the proportion equation
39,935,845.36 : 55,106,724.36 = 22,531,174.48 : x - Step 2: Convert to fraction form
39,935,845.36/55,106,724.36 = 22,531,174.48/x - Step 3: Cross multiply
39,935,845.36x = 55,106,724.36 × 22,531,174.48 - Step 4: Simplify right side
39,935,845.36x = 1,241,619,221,576,426.25 - Step 5: Solve for x
x = 1,241,619,221,576,426.25/39,935,845.36 - Step 6: Final answer
x = 31,090,345.29
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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.