Finding the Fourth Proportional to 11,138,291.54, 15,374,045.82 and 6,727,316.54
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Solution
The fourth proportional to 11,138,291.54, 15,374,045.82 and 6,727,316.54 is: 9,285,631.68
Step by Step Solution
- Step 1: Write the proportion equation
11,138,291.54 : 15,374,045.82 = 6,727,316.54 : x - Step 2: Convert to fraction form
11,138,291.54/15,374,045.82 = 6,727,316.54/x - Step 3: Cross multiply
11,138,291.54x = 15,374,045.82 × 6,727,316.54 - Step 4: Simplify right side
11,138,291.54x = 103,426,072,728,598.94 - Step 5: Solve for x
x = 103,426,072,728,598.94/11,138,291.54 - Step 6: Final answer
x = 9,285,631.68
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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.