Finding the Fourth Proportional to 8,767,530.72, 13,145,724.09 and 7,690,206.42
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Solution
The fourth proportional to 8,767,530.72, 13,145,724.09 and 7,690,206.42 is: 11,530,422.31
Step by Step Solution
- Step 1: Write the proportion equation
8,767,530.72 : 13,145,724.09 = 7,690,206.42 : x - Step 2: Convert to fraction form
8,767,530.72/13,145,724.09 = 7,690,206.42/x - Step 3: Cross multiply
8,767,530.72x = 13,145,724.09 × 7,690,206.42 - Step 4: Simplify right side
8,767,530.72x = 101,093,331,792,466.66 - Step 5: Solve for x
x = 101,093,331,792,466.66/8,767,530.72 - Step 6: Final answer
x = 11,530,422.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.