Finding the Fourth Proportional to 16,432,845.94, 22,677,995.11 and 9,090,552.49
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Solution
The fourth proportional to 16,432,845.94, 22,677,995.11 and 9,090,552.49 is: 12,545,331.82
Step by Step Solution
- Step 1: Write the proportion equation
16,432,845.94 : 22,677,995.11 = 9,090,552.49 : x - Step 2: Convert to fraction form
16,432,845.94/22,677,995.11 = 9,090,552.49/x - Step 3: Cross multiply
16,432,845.94x = 22,677,995.11 × 9,090,552.49 - Step 4: Simplify right side
16,432,845.94x = 206,155,504,955,129 - Step 5: Solve for x
x = 206,155,504,955,129/16,432,845.94 - Step 6: Final answer
x = 12,545,331.82
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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.