Finding the Fourth Proportional to 21,792,709.67, 32,684,602.95 and 8,143,336.49
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Solution
The fourth proportional to 21,792,709.67, 32,684,602.95 and 8,143,336.49 is: 12,213,337.57
Step by Step Solution
- Step 1: Write the proportion equation
21,792,709.67 : 32,684,602.95 = 8,143,336.49 : x - Step 2: Convert to fraction form
21,792,709.67/32,684,602.95 = 8,143,336.49/x - Step 3: Cross multiply
21,792,709.67x = 32,684,602.95 × 8,143,336.49 - Step 4: Simplify right side
21,792,709.67x = 266,161,719,700,473.62 - Step 5: Solve for x
x = 266,161,719,700,473.62/21,792,709.67 - Step 6: Final answer
x = 12,213,337.57
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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.