Finding the Fourth Proportional to 21,792,705.14, 32,684,596.20 and 8,143,331.96
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Solution
The fourth proportional to 21,792,705.14, 32,684,596.20 and 8,143,331.96 is: 12,213,330.80
Step by Step Solution
- Step 1: Write the proportion equation
21,792,705.14 : 32,684,596.20 = 8,143,331.96 : x - Step 2: Convert to fraction form
21,792,705.14/32,684,596.20 = 8,143,331.96/x - Step 3: Cross multiply
21,792,705.14x = 32,684,596.20 × 8,143,331.96 - Step 4: Simplify right side
21,792,705.14x = 266,161,516,916,866.06 - Step 5: Solve for x
x = 266,161,516,916,866.06/21,792,705.14 - Step 6: Final answer
x = 12,213,330.80
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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.