Finding the Fourth Proportional to 16,868,911.92, 23,279,108.28 and 9,133,957.68
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Solution
The fourth proportional to 16,868,911.92, 23,279,108.28 and 9,133,957.68 is: 12,604,866.92
Step by Step Solution
- Step 1: Write the proportion equation
16,868,911.92 : 23,279,108.28 = 9,133,957.68 : x - Step 2: Convert to fraction form
16,868,911.92/23,279,108.28 = 9,133,957.68/x - Step 3: Cross multiply
16,868,911.92x = 23,279,108.28 × 9,133,957.68 - Step 4: Simplify right side
16,868,911.92x = 212,630,389,857,657.59 - Step 5: Solve for x
x = 212,630,389,857,657.59/16,868,911.92 - Step 6: Final answer
x = 12,604,866.92
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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.