Finding the Fourth Proportional to 40,357,638.24, 55,694,717.28 and 22,024,104.72
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Solution
The fourth proportional to 40,357,638.24, 55,694,717.28 and 22,024,104.72 is: 30,393,906.56
Step by Step Solution
- Step 1: Write the proportion equation
40,357,638.24 : 55,694,717.28 = 22,024,104.72 : x - Step 2: Convert to fraction form
40,357,638.24/55,694,717.28 = 22,024,104.72/x - Step 3: Cross multiply
40,357,638.24x = 55,694,717.28 × 22,024,104.72 - Step 4: Simplify right side
40,357,638.24x = 1,226,626,285,725,513.50 - Step 5: Solve for x
x = 1,226,626,285,725,513.50/40,357,638.24 - Step 6: Final answer
x = 30,393,906.56
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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.