Finding the Fourth Proportional to 13,304,753.42, 18,360,557.96 and 7,193,181.92
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Solution
The fourth proportional to 13,304,753.42, 18,360,557.96 and 7,193,181.92 is: 9,926,590.10
Step by Step Solution
- Step 1: Write the proportion equation
13,304,753.42 : 18,360,557.96 = 7,193,181.92 : x - Step 2: Convert to fraction form
13,304,753.42/18,360,557.96 = 7,193,181.92/x - Step 3: Cross multiply
13,304,753.42x = 18,360,557.96 × 7,193,181.92 - Step 4: Simplify right side
13,304,753.42x = 132,070,833,558,984.09 - Step 5: Solve for x
x = 132,070,833,558,984.09/13,304,753.42 - Step 6: Final answer
x = 9,926,590.10
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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.