Finding the Fourth Proportional to 11,397,536.14, 15,728,606.40 and 6,170,545.66
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Solution
The fourth proportional to 11,397,536.14, 15,728,606.40 and 6,170,545.66 is: 8,515,356.54
Step by Step Solution
- Step 1: Write the proportion equation
11,397,536.14 : 15,728,606.40 = 6,170,545.66 : x - Step 2: Convert to fraction form
11,397,536.14/15,728,606.40 = 6,170,545.66/x - Step 3: Cross multiply
11,397,536.14x = 15,728,606.40 × 6,170,545.66 - Step 4: Simplify right side
11,397,536.14x = 97,054,083,959,368.23 - Step 5: Solve for x
x = 97,054,083,959,368.23/11,397,536.14 - Step 6: Final answer
x = 8,515,356.54
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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.