Finding the Fourth Proportional to 7,407,949.72, 11,167,448.58 and 6,914,152.48
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Solution
The fourth proportional to 7,407,949.72, 11,167,448.58 and 6,914,152.48 is: 10,423,051.62
Step by Step Solution
- Step 1: Write the proportion equation
7,407,949.72 : 11,167,448.58 = 6,914,152.48 : x - Step 2: Convert to fraction form
7,407,949.72/11,167,448.58 = 6,914,152.48/x - Step 3: Cross multiply
7,407,949.72x = 11,167,448.58 × 6,914,152.48 - Step 4: Simplify right side
7,407,949.72x = 77,213,442,294,679.48 - Step 5: Solve for x
x = 77,213,442,294,679.48/7,407,949.72 - Step 6: Final answer
x = 10,423,051.62
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.