Finding the Fourth Proportional to 13,908,441.44, 19,194,798.22 and 7,715,484.84
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Solution
The fourth proportional to 13,908,441.44, 19,194,798.22 and 7,715,484.84 is: 10,648,006.49
Step by Step Solution
- Step 1: Write the proportion equation
13,908,441.44 : 19,194,798.22 = 7,715,484.84 : x - Step 2: Convert to fraction form
13,908,441.44/19,194,798.22 = 7,715,484.84/x - Step 3: Cross multiply
13,908,441.44x = 19,194,798.22 × 7,715,484.84 - Step 4: Simplify right side
13,908,441.44x = 148,097,174,673,268.97 - Step 5: Solve for x
x = 148,097,174,673,268.97/13,908,441.44 - Step 6: Final answer
x = 10,648,006.49
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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.