Finding the Fourth Proportional to 14,281,691.42, 19,708,452.66 and 8,401,961.05
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Solution
The fourth proportional to 14,281,691.42, 19,708,452.66 and 8,401,961.05 is: 11,594,540.65
Step by Step Solution
- Step 1: Write the proportion equation
14,281,691.42 : 19,708,452.66 = 8,401,961.05 : x - Step 2: Convert to fraction form
14,281,691.42/19,708,452.66 = 8,401,961.05/x - Step 3: Cross multiply
14,281,691.42x = 19,708,452.66 × 8,401,961.05 - Step 4: Simplify right side
14,281,691.42x = 165,589,651,599,587.75 - Step 5: Solve for x
x = 165,589,651,599,587.75/14,281,691.42 - Step 6: Final answer
x = 11,594,540.65
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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.