Finding the Fourth Proportional to 45,788,690.40, 63,174,613.20 and 27,447,283.68
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Solution
The fourth proportional to 45,788,690.40, 63,174,613.20 and 27,447,283.68 is: 37,868,991.55
Step by Step Solution
- Step 1: Write the proportion equation
45,788,690.40 : 63,174,613.20 = 27,447,283.68 : x - Step 2: Convert to fraction form
45,788,690.40/63,174,613.20 = 27,447,283.68/x - Step 3: Cross multiply
45,788,690.40x = 63,174,613.20 × 27,447,283.68 - Step 4: Simplify right side
45,788,690.40x = 1,733,971,529,874,672.75 - Step 5: Solve for x
x = 1,733,971,529,874,672.75/45,788,690.40 - Step 6: Final answer
x = 37,868,991.55
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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.