Finding the Fourth Proportional to 12,368,579.18, 17,070,687.96 and 6,863,722.26
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Solution
The fourth proportional to 12,368,579.18, 17,070,687.96 and 6,863,722.26 is: 9,473,073.60
Step by Step Solution
- Step 1: Write the proportion equation
12,368,579.18 : 17,070,687.96 = 6,863,722.26 : x - Step 2: Convert to fraction form
12,368,579.18/17,070,687.96 = 6,863,722.26/x - Step 3: Cross multiply
12,368,579.18x = 17,070,687.96 × 6,863,722.26 - Step 4: Simplify right side
12,368,579.18x = 117,168,460,970,142.22 - Step 5: Solve for x
x = 117,168,460,970,142.22/12,368,579.18 - Step 6: Final answer
x = 9,473,073.60
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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.