Finding the Fourth Proportional to 28,593,973.18, 39,460,082.61 and 15,541,228.18
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Solution
The fourth proportional to 28,593,973.18, 39,460,082.61 and 15,541,228.18 is: 21,447,112.09
Step by Step Solution
- Step 1: Write the proportion equation
28,593,973.18 : 39,460,082.61 = 15,541,228.18 : x - Step 2: Convert to fraction form
28,593,973.18/39,460,082.61 = 15,541,228.18/x - Step 3: Cross multiply
28,593,973.18x = 39,460,082.61 × 15,541,228.18 - Step 4: Simplify right side
28,593,973.18x = 613,258,147,843,659.88 - Step 5: Solve for x
x = 613,258,147,843,659.88/28,593,973.18 - Step 6: Final answer
x = 21,447,112.09
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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.