Finding the Fourth Proportional to 11,465,938.48, 15,822,517.26 and 6,238,967.17
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Solution
The fourth proportional to 11,465,938.48, 15,822,517.26 and 6,238,967.17 is: 8,609,514.68
Step by Step Solution
- Step 1: Write the proportion equation
11,465,938.48 : 15,822,517.26 = 6,238,967.17 : x - Step 2: Convert to fraction form
11,465,938.48/15,822,517.26 = 6,238,967.17/x - Step 3: Cross multiply
11,465,938.48x = 15,822,517.26 × 6,238,967.17 - Step 4: Simplify right side
11,465,938.48x = 98,716,165,692,342.06 - Step 5: Solve for x
x = 98,716,165,692,342.06/11,465,938.48 - Step 6: Final answer
x = 8,609,514.68
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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.