Finding the Fourth Proportional to 19,655,816.01, 27,125,116.97 and 11,400,765.81
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Solution
The fourth proportional to 19,655,816.01, 27,125,116.97 and 11,400,765.81 is: 15,733,109.52
Step by Step Solution
- Step 1: Write the proportion equation
19,655,816.01 : 27,125,116.97 = 11,400,765.81 : x - Step 2: Convert to fraction form
19,655,816.01/27,125,116.97 = 11,400,765.81/x - Step 3: Cross multiply
19,655,816.01x = 27,125,116.97 × 11,400,765.81 - Step 4: Simplify right side
19,655,816.01x = 309,247,106,086,823 - Step 5: Solve for x
x = 309,247,106,086,823/19,655,816.01 - Step 6: Final answer
x = 15,733,109.52
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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.