Finding the Fourth Proportional to 6,991,531.24, 9,649,742.34 and 4,411,473.88
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Solution
The fourth proportional to 6,991,531.24, 9,649,742.34 and 4,411,473.88 is: 6,088,735.76
Step by Step Solution
- Step 1: Write the proportion equation
6,991,531.24 : 9,649,742.34 = 4,411,473.88 : x - Step 2: Convert to fraction form
6,991,531.24/9,649,742.34 = 4,411,473.88/x - Step 3: Cross multiply
6,991,531.24x = 9,649,742.34 × 4,411,473.88 - Step 4: Simplify right side
6,991,531.24x = 42,569,586,281,640.08 - Step 5: Solve for x
x = 42,569,586,281,640.08/6,991,531.24 - Step 6: Final answer
x = 6,088,735.76
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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.