Finding the Fourth Proportional to 29,543,390.42, 40,776,681.22 and 17,324,184.02
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Solution
The fourth proportional to 29,543,390.42, 40,776,681.22 and 17,324,184.02 is: 23,911,362.88
Step by Step Solution
- Step 1: Write the proportion equation
29,543,390.42 : 40,776,681.22 = 17,324,184.02 : x - Step 2: Convert to fraction form
29,543,390.42/40,776,681.22 = 17,324,184.02/x - Step 3: Cross multiply
29,543,390.42x = 40,776,681.22 × 17,324,184.02 - Step 4: Simplify right side
29,543,390.42x = 706,422,728,932,964.25 - Step 5: Solve for x
x = 706,422,728,932,964.25/29,543,390.42 - Step 6: Final answer
x = 23,911,362.88
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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.