Finding the Fourth Proportional to 7,438,364.49, 11,153,211.41 and 2,884,092.75
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Solution
The fourth proportional to 7,438,364.49, 11,153,211.41 and 2,884,092.75 is: 4,324,458.18
Step by Step Solution
- Step 1: Write the proportion equation
7,438,364.49 : 11,153,211.41 = 2,884,092.75 : x - Step 2: Convert to fraction form
7,438,364.49/11,153,211.41 = 2,884,092.75/x - Step 3: Cross multiply
7,438,364.49x = 11,153,211.41 × 2,884,092.75 - Step 4: Simplify right side
7,438,364.49x = 32,166,896,152,377.81 - Step 5: Solve for x
x = 32,166,896,152,377.81/7,438,364.49 - Step 6: Final answer
x = 4,324,458.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.