Finding the Fourth Proportional to 37,926,850.68, 52,339,192.62 and 20,523,195.96
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Solution
The fourth proportional to 37,926,850.68, 52,339,192.62 and 20,523,195.96 is: 28,322,085.47
Step by Step Solution
- Step 1: Write the proportion equation
37,926,850.68 : 52,339,192.62 = 20,523,195.96 : x - Step 2: Convert to fraction form
37,926,850.68/52,339,192.62 = 20,523,195.96/x - Step 3: Cross multiply
37,926,850.68x = 52,339,192.62 × 20,523,195.96 - Step 4: Simplify right side
37,926,850.68x = 1,074,167,506,528,445.75 - Step 5: Solve for x
x = 1,074,167,506,528,445.75/37,926,850.68 - Step 6: Final answer
x = 28,322,085.47
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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.