Finding the Fourth Proportional to 19,686,601.79, 29,531,321.55 and 7,556,065.28
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Solution
The fourth proportional to 19,686,601.79, 29,531,321.55 and 7,556,065.28 is: 11,334,642.50
Step by Step Solution
- Step 1: Write the proportion equation
19,686,601.79 : 29,531,321.55 = 7,556,065.28 : x - Step 2: Convert to fraction form
19,686,601.79/29,531,321.55 = 7,556,065.28/x - Step 3: Cross multiply
19,686,601.79x = 29,531,321.55 × 7,556,065.28 - Step 4: Simplify right side
19,686,601.79x = 223,140,593,288,814.19 - Step 5: Solve for x
x = 223,140,593,288,814.19/19,686,601.79 - Step 6: Final answer
x = 11,334,642.50
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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.