Finding the Fourth Proportional to 8,517,975.59, 12,776,990.67 and 2,128,228.62
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Solution
The fourth proportional to 8,517,975.59, 12,776,990.67 and 2,128,228.62 is: 3,192,349.75
Step by Step Solution
- Step 1: Write the proportion equation
8,517,975.59 : 12,776,990.67 = 2,128,228.62 : x - Step 2: Convert to fraction form
8,517,975.59/12,776,990.67 = 2,128,228.62/x - Step 3: Cross multiply
8,517,975.59x = 12,776,990.67 × 2,128,228.62 - Step 4: Simplify right side
8,517,975.59x = 27,192,357,221,366.98 - Step 5: Solve for x
x = 27,192,357,221,366.98/8,517,975.59 - Step 6: Final answer
x = 3,192,349.75
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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.