Finding the Fourth Proportional to 8,171,638.35, 11,276,026.41 and 5,031,403.35
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Solution
The fourth proportional to 8,171,638.35, 11,276,026.41 and 5,031,403.35 is: 6,942,822.80
Step by Step Solution
- Step 1: Write the proportion equation
8,171,638.35 : 11,276,026.41 = 5,031,403.35 : x - Step 2: Convert to fraction form
8,171,638.35/11,276,026.41 = 5,031,403.35/x - Step 3: Cross multiply
8,171,638.35x = 11,276,026.41 × 5,031,403.35 - Step 4: Simplify right side
8,171,638.35x = 56,734,237,072,830.23 - Step 5: Solve for x
x = 56,734,237,072,830.23/8,171,638.35 - Step 6: Final answer
x = 6,942,822.80
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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.