Finding the Fourth Proportional to 34,492,719.38, 47,599,999.99 and 18,811,781.75
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Solution
The fourth proportional to 34,492,719.38, 47,599,999.99 and 18,811,781.75 is: 25,960,284.59
Step by Step Solution
- Step 1: Write the proportion equation
34,492,719.38 : 47,599,999.99 = 18,811,781.75 : x - Step 2: Convert to fraction form
34,492,719.38/47,599,999.99 = 18,811,781.75/x - Step 3: Cross multiply
34,492,719.38x = 47,599,999.99 × 18,811,781.75 - Step 4: Simplify right side
34,492,719.38x = 895,440,811,183,852.75 - Step 5: Solve for x
x = 895,440,811,183,852.75/34,492,719.38 - Step 6: Final answer
x = 25,960,284.59
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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.