Finding the Fourth Proportional to 12,366,187.68, 18,554,621.04 and 6,690,407.52
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Solution
The fourth proportional to 12,366,187.68, 18,554,621.04 and 6,690,407.52 is: 10,038,500.09
Step by Step Solution
- Step 1: Write the proportion equation
12,366,187.68 : 18,554,621.04 = 6,690,407.52 : x - Step 2: Convert to fraction form
12,366,187.68/18,554,621.04 = 6,690,407.52/x - Step 3: Cross multiply
12,366,187.68x = 18,554,621.04 × 6,690,407.52 - Step 4: Simplify right side
12,366,187.68x = 124,137,976,136,766.20 - Step 5: Solve for x
x = 124,137,976,136,766.20/12,366,187.68 - Step 6: Final answer
x = 10,038,500.09
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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.