Finding the Fourth Proportional to 34,985,866.87, 48,297,975.36 and 21,759,307.21
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Solution
The fourth proportional to 34,985,866.87, 48,297,975.36 and 21,759,307.21 is: 30,038,714.99
Step by Step Solution
- Step 1: Write the proportion equation
34,985,866.87 : 48,297,975.36 = 21,759,307.21 : x - Step 2: Convert to fraction form
34,985,866.87/48,297,975.36 = 21,759,307.21/x - Step 3: Cross multiply
34,985,866.87x = 48,297,975.36 × 21,759,307.21 - Step 4: Simplify right side
34,985,866.87x = 1,050,930,483,479,250.38 - Step 5: Solve for x
x = 1,050,930,483,479,250.38/34,985,866.87 - Step 6: Final answer
x = 30,038,714.99
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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.