Finding the Fourth Proportional to 19,686,635.24, 29,531,371.78 and 7,556,098.70
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Solution
The fourth proportional to 19,686,635.24, 29,531,371.78 and 7,556,098.70 is: 11,334,692.66
Step by Step Solution
- Step 1: Write the proportion equation
19,686,635.24 : 29,531,371.78 = 7,556,098.70 : x - Step 2: Convert to fraction form
19,686,635.24/29,531,371.78 = 7,556,098.70/x - Step 3: Cross multiply
19,686,635.24x = 29,531,371.78 × 7,556,098.70 - Step 4: Simplify right side
19,686,635.24x = 223,141,959,916,074.69 - Step 5: Solve for x
x = 223,141,959,916,074.69/19,686,635.24 - Step 6: Final answer
x = 11,334,692.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.