Finding the Fourth Proportional to 11,398,436.78, 15,729,370.36 and 6,241,709.48
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Solution
The fourth proportional to 11,398,436.78, 15,729,370.36 and 6,241,709.48 is: 8,613,300.40
Step by Step Solution
- Step 1: Write the proportion equation
11,398,436.78 : 15,729,370.36 = 6,241,709.48 : x - Step 2: Convert to fraction form
11,398,436.78/15,729,370.36 = 6,241,709.48/x - Step 3: Cross multiply
11,398,436.78x = 15,729,370.36 × 6,241,709.48 - Step 4: Simplify right side
11,398,436.78x = 98,178,159,996,191.88 - Step 5: Solve for x
x = 98,178,159,996,191.88/11,398,436.78 - Step 6: Final answer
x = 8,613,300.40
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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.