Finding the Fourth Proportional to 29,374,492.84, 40,519,911.74 and 18,342,088.72
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Solution
The fourth proportional to 29,374,492.84, 40,519,911.74 and 18,342,088.72 is: 25,301,536.95
Step by Step Solution
- Step 1: Write the proportion equation
29,374,492.84 : 40,519,911.74 = 18,342,088.72 : x - Step 2: Convert to fraction form
29,374,492.84/40,519,911.74 = 18,342,088.72/x - Step 3: Cross multiply
29,374,492.84x = 40,519,911.74 × 18,342,088.72 - Step 4: Simplify right side
29,374,492.84x = 743,219,816,061,649.62 - Step 5: Solve for x
x = 743,219,816,061,649.62/29,374,492.84 - Step 6: Final answer
x = 25,301,536.95
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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.