Finding the Fourth Proportional to 28,635,229.63, 39,516,623.37 and 15,758,173.63
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Solution
The fourth proportional to 28,635,229.63, 39,516,623.37 and 15,758,173.63 is: 21,746,283.17
Step by Step Solution
- Step 1: Write the proportion equation
28,635,229.63 : 39,516,623.37 = 15,758,173.63 : x - Step 2: Convert to fraction form
28,635,229.63/39,516,623.37 = 15,758,173.63/x - Step 3: Cross multiply
28,635,229.63x = 39,516,623.37 × 15,758,173.63 - Step 4: Simplify right side
28,635,229.63x = 622,709,812,059,401.75 - Step 5: Solve for x
x = 622,709,812,059,401.75/28,635,229.63 - Step 6: Final answer
x = 21,746,283.17
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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.