Finding the Fourth Proportional to 10,672,800.26, 14,728,461.09 and 5,778,019.05
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Solution
The fourth proportional to 10,672,800.26, 14,728,461.09 and 5,778,019.05 is: 7,973,664.52
Step by Step Solution
- Step 1: Write the proportion equation
10,672,800.26 : 14,728,461.09 = 5,778,019.05 : x - Step 2: Convert to fraction form
10,672,800.26/14,728,461.09 = 5,778,019.05/x - Step 3: Cross multiply
10,672,800.26x = 14,728,461.09 × 5,778,019.05 - Step 4: Simplify right side
10,672,800.26x = 85,101,328,755,203.77 - Step 5: Solve for x
x = 85,101,328,755,203.77/10,672,800.26 - Step 6: Final answer
x = 7,973,664.52
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1.5x scale
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.