Finding the Fourth Proportional to 12,190,318.86, 16,822,550.94 and 6,683,602.99
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Solution
The fourth proportional to 12,190,318.86, 16,822,550.94 and 6,683,602.99 is: 9,223,323.28
Step by Step Solution
- Step 1: Write the proportion equation
12,190,318.86 : 16,822,550.94 = 6,683,602.99 : x - Step 2: Convert to fraction form
12,190,318.86/16,822,550.94 = 6,683,602.99/x - Step 3: Cross multiply
12,190,318.86x = 16,822,550.94 × 6,683,602.99 - Step 4: Simplify right side
12,190,318.86x = 112,435,251,792,541.42 - Step 5: Solve for x
x = 112,435,251,792,541.42/12,190,318.86 - Step 6: Final answer
x = 9,223,323.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.