Finding the Fourth Proportional to 25,455,456.12, 35,135,931.81 and 16,636,234.08
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Solution
The fourth proportional to 25,455,456.12, 35,135,931.81 and 16,636,234.08 is: 22,962,840.79
Step by Step Solution
- Step 1: Write the proportion equation
25,455,456.12 : 35,135,931.81 = 16,636,234.08 : x - Step 2: Convert to fraction form
25,455,456.12/35,135,931.81 = 16,636,234.08/x - Step 3: Cross multiply
25,455,456.12x = 35,135,931.81 × 16,636,234.08 - Step 4: Simplify right side
25,455,456.12x = 584,529,586,210,078.12 - Step 5: Solve for x
x = 584,529,586,210,078.12/25,455,456.12 - Step 6: Final answer
x = 22,962,840.79
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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.