Finding the Fourth Proportional to 30,713,390.07, 42,384,218.44 and 16,962,058.95
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Solution
The fourth proportional to 30,713,390.07, 42,384,218.44 and 16,962,058.95 is: 23,407,497.84
Step by Step Solution
- Step 1: Write the proportion equation
30,713,390.07 : 42,384,218.44 = 16,962,058.95 : x - Step 2: Convert to fraction form
30,713,390.07/42,384,218.44 = 16,962,058.95/x - Step 3: Cross multiply
30,713,390.07x = 42,384,218.44 × 16,962,058.95 - Step 4: Simplify right side
30,713,390.07x = 718,923,611,728,957 - Step 5: Solve for x
x = 718,923,611,728,957/30,713,390.07 - Step 6: Final answer
x = 23,407,497.84
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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.