Finding the Fourth Proportional to 27,068,712.84, 40,602,394.53 and 7,899,635.97
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Solution
The fourth proportional to 27,068,712.84, 40,602,394.53 and 7,899,635.97 is: 11,849,257.04
Step by Step Solution
- Step 1: Write the proportion equation
27,068,712.84 : 40,602,394.53 = 7,899,635.97 : x - Step 2: Convert to fraction form
27,068,712.84/40,602,394.53 = 7,899,635.97/x - Step 3: Cross multiply
27,068,712.84x = 40,602,394.53 × 7,899,635.97 - Step 4: Simplify right side
27,068,712.84x = 320,744,136,297,319.25 - Step 5: Solve for x
x = 320,744,136,297,319.25/27,068,712.84 - Step 6: Final answer
x = 11,849,257.04
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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.