Finding the Fourth Proportional to 39,792,271.52, 54,909,415.14 and 22,388,232.44
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Solution
The fourth proportional to 39,792,271.52, 54,909,415.14 and 22,388,232.44 is: 30,893,555.52
Step by Step Solution
- Step 1: Write the proportion equation
39,792,271.52 : 54,909,415.14 = 22,388,232.44 : x - Step 2: Convert to fraction form
39,792,271.52/54,909,415.14 = 22,388,232.44/x - Step 3: Cross multiply
39,792,271.52x = 54,909,415.14 × 22,388,232.44 - Step 4: Simplify right side
39,792,271.52x = 1,229,324,749,298,775.25 - Step 5: Solve for x
x = 1,229,324,749,298,775.25/39,792,271.52 - Step 6: Final answer
x = 30,893,555.52
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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.