Finding the Fourth Proportional to 11,509,122.08, 15,880,217.56 and 6,613,398.32
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Solution
The fourth proportional to 11,509,122.08, 15,880,217.56 and 6,613,398.32 is: 9,125,127.31
Step by Step Solution
- Step 1: Write the proportion equation
11,509,122.08 : 15,880,217.56 = 6,613,398.32 : x - Step 2: Convert to fraction form
11,509,122.08/15,880,217.56 = 6,613,398.32/x - Step 3: Cross multiply
11,509,122.08x = 15,880,217.56 × 6,613,398.32 - Step 4: Simplify right side
11,509,122.08x = 105,022,204,164,583.23 - Step 5: Solve for x
x = 105,022,204,164,583.23/11,509,122.08 - Step 6: Final answer
x = 9,125,127.31
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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.