Finding the Fourth Proportional to 11,042,724.32, 15,235,015.32 and 6,393,971.92
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Solution
The fourth proportional to 11,042,724.32, 15,235,015.32 and 6,393,971.92 is: 8,821,397.45
Step by Step Solution
- Step 1: Write the proportion equation
11,042,724.32 : 15,235,015.32 = 6,393,971.92 : x - Step 2: Convert to fraction form
11,042,724.32/15,235,015.32 = 6,393,971.92/x - Step 3: Cross multiply
11,042,724.32x = 15,235,015.32 × 6,393,971.92 - Step 4: Simplify right side
11,042,724.32x = 97,412,260,156,849.81 - Step 5: Solve for x
x = 97,412,260,156,849.81/11,042,724.32 - Step 6: Final answer
x = 8,821,397.45
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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.