Finding the Fourth Proportional to 27,648,513.52, 38,154,869.62 and 15,258,517
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Solution
The fourth proportional to 27,648,513.52, 38,154,869.62 and 15,258,517 is: 21,056,709.84
Step by Step Solution
- Step 1: Write the proportion equation
27,648,513.52 : 38,154,869.62 = 15,258,517 : x - Step 2: Convert to fraction form
27,648,513.52/38,154,869.62 = 15,258,517/x - Step 3: Cross multiply
27,648,513.52x = 38,154,869.62 × 15,258,517 - Step 4: Simplify right side
27,648,513.52x = 582,186,726,729,553.50 - Step 5: Solve for x
x = 582,186,726,729,553.50/27,648,513.52 - Step 6: Final answer
x = 21,056,709.84
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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.