Finding the Fourth Proportional to 16,287,327.92, 22,478,506.63 and 9,411,809.99
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Solution
The fourth proportional to 16,287,327.92, 22,478,506.63 and 9,411,809.99 is: 12,989,450.09
Step by Step Solution
- Step 1: Write the proportion equation
16,287,327.92 : 22,478,506.63 = 9,411,809.99 : x - Step 2: Convert to fraction form
16,287,327.92/22,478,506.63 = 9,411,809.99/x - Step 3: Cross multiply
16,287,327.92x = 22,478,506.63 × 9,411,809.99 - Step 4: Simplify right side
16,287,327.92x = 211,563,433,124,593.19 - Step 5: Solve for x
x = 211,563,433,124,593.19/16,287,327.92 - Step 6: Final answer
x = 12,989,450.09
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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.