Finding the Fourth Proportional to 26,655,874.92, 39,985,308.09 and 7,485,137.28
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Solution
The fourth proportional to 26,655,874.92, 39,985,308.09 and 7,485,137.28 is: 11,228,125.92
Step by Step Solution
- Step 1: Write the proportion equation
26,655,874.92 : 39,985,308.09 = 7,485,137.28 : x - Step 2: Convert to fraction form
26,655,874.92/39,985,308.09 = 7,485,137.28/x - Step 3: Cross multiply
26,655,874.92x = 39,985,308.09 × 7,485,137.28 - Step 4: Simplify right side
26,655,874.92x = 299,295,520,236,744.62 - Step 5: Solve for x
x = 299,295,520,236,744.62/26,655,874.92 - Step 6: Final answer
x = 11,228,125.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.