Finding the Fourth Proportional to 26,291,249.70, 39,436,874.55 and 19,913,957.70
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Solution
The fourth proportional to 26,291,249.70, 39,436,874.55 and 19,913,957.70 is: 29,870,936.55
Step by Step Solution
- Step 1: Write the proportion equation
26,291,249.70 : 39,436,874.55 = 19,913,957.70 : x - Step 2: Convert to fraction form
26,291,249.70/39,436,874.55 = 19,913,957.70/x - Step 3: Cross multiply
26,291,249.70x = 39,436,874.55 × 19,913,957.70 - Step 4: Simplify right side
26,291,249.70x = 785,344,251,608,906.50 - Step 5: Solve for x
x = 785,344,251,608,906.50/26,291,249.70 - Step 6: Final answer
x = 29,870,936.55
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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.