Finding the Fourth Proportional to 13,363,577.79, 18,441,749.16 and 7,252,006.29
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Solution
The fourth proportional to 13,363,577.79, 18,441,749.16 and 7,252,006.29 is: 10,007,775.09
Step by Step Solution
- Step 1: Write the proportion equation
13,363,577.79 : 18,441,749.16 = 7,252,006.29 : x - Step 2: Convert to fraction form
13,363,577.79/18,441,749.16 = 7,252,006.29/x - Step 3: Cross multiply
13,363,577.79x = 18,441,749.16 × 7,252,006.29 - Step 4: Simplify right side
13,363,577.79x = 133,739,680,906,922.22 - Step 5: Solve for x
x = 133,739,680,906,922.22/13,363,577.79 - Step 6: Final answer
x = 10,007,775.09
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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.