Finding the Fourth Proportional to 11,605,895.49, 16,016,280.92 and 6,379,474.28
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Solution
The fourth proportional to 11,605,895.49, 16,016,280.92 and 6,379,474.28 is: 8,803,754.28
Step by Step Solution
- Step 1: Write the proportion equation
11,605,895.49 : 16,016,280.92 = 6,379,474.28 : x - Step 2: Convert to fraction form
11,605,895.49/16,016,280.92 = 6,379,474.28/x - Step 3: Cross multiply
11,605,895.49x = 16,016,280.92 × 6,379,474.28 - Step 4: Simplify right side
11,605,895.49x = 102,175,452,102,338.98 - Step 5: Solve for x
x = 102,175,452,102,338.98/11,605,895.49 - Step 6: Final answer
x = 8,803,754.28
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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.