Finding the Fourth Proportional to 8,879,528.96, 12,253,781.76 and 4,805,146.88
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Solution
The fourth proportional to 8,879,528.96, 12,253,781.76 and 4,805,146.88 is: 6,631,119.90
Step by Step Solution
- Step 1: Write the proportion equation
8,879,528.96 : 12,253,781.76 = 4,805,146.88 : x - Step 2: Convert to fraction form
8,879,528.96/12,253,781.76 = 4,805,146.88/x - Step 3: Cross multiply
8,879,528.96x = 12,253,781.76 × 4,805,146.88 - Step 4: Simplify right side
8,879,528.96x = 58,881,221,192,264.91 - Step 5: Solve for x
x = 58,881,221,192,264.91/8,879,528.96 - Step 6: Final answer
x = 6,631,119.90
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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.