Finding the Fourth Proportional to 19,782,053.62, 27,299,629.33 and 11,522,648.12
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Solution
The fourth proportional to 19,782,053.62, 27,299,629.33 and 11,522,648.12 is: 15,901,484.67
Step by Step Solution
- Step 1: Write the proportion equation
19,782,053.62 : 27,299,629.33 = 11,522,648.12 : x - Step 2: Convert to fraction form
19,782,053.62/27,299,629.33 = 11,522,648.12/x - Step 3: Cross multiply
19,782,053.62x = 27,299,629.33 × 11,522,648.12 - Step 4: Simplify right side
19,782,053.62x = 314,564,022,410,716.62 - Step 5: Solve for x
x = 314,564,022,410,716.62/19,782,053.62 - Step 6: Final answer
x = 15,901,484.67
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.