Finding the Fourth Proportional to 17,719,965.81, 24,453,552.11 and 9,571,203.81
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Solution
The fourth proportional to 17,719,965.81, 24,453,552.11 and 9,571,203.81 is: 13,208,260.87
Step by Step Solution
- Step 1: Write the proportion equation
17,719,965.81 : 24,453,552.11 = 9,571,203.81 : x - Step 2: Convert to fraction form
17,719,965.81/24,453,552.11 = 9,571,203.81/x - Step 3: Cross multiply
17,719,965.81x = 24,453,552.11 × 9,571,203.81 - Step 4: Simplify right side
17,719,965.81x = 234,049,931,075,409.53 - Step 5: Solve for x
x = 234,049,931,075,409.53/17,719,965.81 - Step 6: Final answer
x = 13,208,260.87
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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.