Finding the Fourth Proportional to 8,078,988.96, 12,108,012.84 and 3,281,104.62
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Solution
The fourth proportional to 8,078,988.96, 12,108,012.84 and 3,281,104.62 is: 4,917,404.52
Step by Step Solution
- Step 1: Write the proportion equation
8,078,988.96 : 12,108,012.84 = 3,281,104.62 : x - Step 2: Convert to fraction form
8,078,988.96/12,108,012.84 = 3,281,104.62/x - Step 3: Cross multiply
8,078,988.96x = 12,108,012.84 × 3,281,104.62 - Step 4: Simplify right side
8,078,988.96x = 39,727,656,868,343.32 - Step 5: Solve for x
x = 39,727,656,868,343.32/8,078,988.96 - Step 6: Final answer
x = 4,917,404.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.