Finding the Fourth Proportional to 14,034,415.40, 19,369,173.70 and 8,528,689.88
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Solution
The fourth proportional to 14,034,415.40, 19,369,173.70 and 8,528,689.88 is: 11,770,613.24
Step by Step Solution
- Step 1: Write the proportion equation
14,034,415.40 : 19,369,173.70 = 8,528,689.88 : x - Step 2: Convert to fraction form
14,034,415.40/19,369,173.70 = 8,528,689.88/x - Step 3: Cross multiply
14,034,415.40x = 19,369,173.70 × 8,528,689.88 - Step 4: Simplify right side
14,034,415.40x = 165,193,675,719,152.16 - Step 5: Solve for x
x = 165,193,675,719,152.16/14,034,415.40 - Step 6: Final answer
x = 11,770,613.24
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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.