Finding the Fourth Proportional to 9,578,728.20, 14,368,092.30 and 8,539,465.80
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Solution
The fourth proportional to 9,578,728.20, 14,368,092.30 and 8,539,465.80 is: 12,809,198.70
Step by Step Solution
- Step 1: Write the proportion equation
9,578,728.20 : 14,368,092.30 = 8,539,465.80 : x - Step 2: Convert to fraction form
9,578,728.20/14,368,092.30 = 8,539,465.80/x - Step 3: Cross multiply
9,578,728.20x = 14,368,092.30 × 8,539,465.80 - Step 4: Simplify right side
9,578,728.20x = 122,695,832,807,093.36 - Step 5: Solve for x
x = 122,695,832,807,093.36/9,578,728.20 - Step 6: Final answer
x = 12,809,198.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.