Finding the Fourth Proportional to 39,452,170.84, 54,445,677.56 and 22,048,515.70
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Solution
The fourth proportional to 39,452,170.84, 54,445,677.56 and 22,048,515.70 is: 30,427,891.57
Step by Step Solution
- Step 1: Write the proportion equation
39,452,170.84 : 54,445,677.56 = 22,048,515.70 : x - Step 2: Convert to fraction form
39,452,170.84/54,445,677.56 = 22,048,515.70/x - Step 3: Cross multiply
39,452,170.84x = 54,445,677.56 × 22,048,515.70 - Step 4: Simplify right side
39,452,170.84x = 1,200,446,376,315,123 - Step 5: Solve for x
x = 1,200,446,376,315,123/39,452,170.84 - Step 6: Final answer
x = 30,427,891.57
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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.