Finding the Fourth Proportional to 13,315,327.08, 18,304,613.52 and 11,447,862.66
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Solution
The fourth proportional to 13,315,327.08, 18,304,613.52 and 11,447,862.66 is: 15,737,405.50
Step by Step Solution
- Step 1: Write the proportion equation
13,315,327.08 : 18,304,613.52 = 11,447,862.66 : x - Step 2: Convert to fraction form
13,315,327.08/18,304,613.52 = 11,447,862.66/x - Step 3: Cross multiply
13,315,327.08x = 18,304,613.52 × 11,447,862.66 - Step 4: Simplify right side
13,315,327.08x = 209,548,701,621,339.16 - Step 5: Solve for x
x = 209,548,701,621,339.16/13,315,327.08 - Step 6: Final answer
x = 15,737,405.50
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.