Finding the Fourth Proportional to 30,517,121.67, 42,113,664.44 and 16,578,485.98
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Solution
The fourth proportional to 30,517,121.67, 42,113,664.44 and 16,578,485.98 is: 22,878,330.50
Step by Step Solution
- Step 1: Write the proportion equation
30,517,121.67 : 42,113,664.44 = 16,578,485.98 : x - Step 2: Convert to fraction form
30,517,121.67/42,113,664.44 = 16,578,485.98/x - Step 3: Cross multiply
30,517,121.67x = 42,113,664.44 × 16,578,485.98 - Step 4: Simplify right side
30,517,121.67x = 698,180,795,484,964.50 - Step 5: Solve for x
x = 698,180,795,484,964.50/30,517,121.67 - Step 6: Final answer
x = 22,878,330.50
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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.