Finding the Fourth Proportional to 8,861,097.84, 12,230,590.05 and 5,771,320.44
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Solution
The fourth proportional to 8,861,097.84, 12,230,590.05 and 5,771,320.44 is: 7,965,903.96
Step by Step Solution
- Step 1: Write the proportion equation
8,861,097.84 : 12,230,590.05 = 5,771,320.44 : x - Step 2: Convert to fraction form
8,861,097.84/12,230,590.05 = 5,771,320.44/x - Step 3: Cross multiply
8,861,097.84x = 12,230,590.05 × 5,771,320.44 - Step 4: Simplify right side
8,861,097.84x = 70,586,654,348,825.62 - Step 5: Solve for x
x = 70,586,654,348,825.62/8,861,097.84 - Step 6: Final answer
x = 7,965,903.96
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1.5x scale
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.