Finding the Fourth Proportional to 7,618,684.54, 10,513,753.05 and 4,523,755.59
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Solution
The fourth proportional to 7,618,684.54, 10,513,753.05 and 4,523,755.59 is: 6,242,763.94
Step by Step Solution
- Step 1: Write the proportion equation
7,618,684.54 : 10,513,753.05 = 4,523,755.59 : x - Step 2: Convert to fraction form
7,618,684.54/10,513,753.05 = 4,523,755.59/x - Step 3: Cross multiply
7,618,684.54x = 10,513,753.05 × 4,523,755.59 - Step 4: Simplify right side
7,618,684.54x = 47,561,649,151,274.05 - Step 5: Solve for x
x = 47,561,649,151,274.05/7,618,684.54 - Step 6: Final answer
x = 6,242,763.94
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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.