Finding the Fourth Proportional to 29,973,730.92, 41,364,751.56 and 18,369,053.28
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Solution
The fourth proportional to 29,973,730.92, 41,364,751.56 and 18,369,053.28 is: 25,349,908.14
Step by Step Solution
- Step 1: Write the proportion equation
29,973,730.92 : 41,364,751.56 = 18,369,053.28 : x - Step 2: Convert to fraction form
29,973,730.92/41,364,751.56 = 18,369,053.28/x - Step 3: Cross multiply
29,973,730.92x = 41,364,751.56 × 18,369,053.28 - Step 4: Simplify right side
29,973,730.92x = 759,831,325,319,603.25 - Step 5: Solve for x
x = 759,831,325,319,603.25/29,973,730.92 - Step 6: Final answer
x = 25,349,908.14
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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.