Finding the Fourth Proportional to 26,156,137.68, 39,239,853.84 and 7,961,755.68
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Solution
The fourth proportional to 26,156,137.68, 39,239,853.84 and 7,961,755.68 is: 11,944,352.53
Step by Step Solution
- Step 1: Write the proportion equation
26,156,137.68 : 39,239,853.84 = 7,961,755.68 : x - Step 2: Convert to fraction form
26,156,137.68/39,239,853.84 = 7,961,755.68/x - Step 3: Cross multiply
26,156,137.68x = 39,239,853.84 × 7,961,755.68 - Step 4: Simplify right side
26,156,137.68x = 312,418,129,192,989.81 - Step 5: Solve for x
x = 312,418,129,192,989.81/26,156,137.68 - Step 6: Final answer
x = 11,944,352.53
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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.