Finding the Fourth Proportional to 16,202,963.60, 22,359,647.36 and 8,959,371.92
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Solution
The fourth proportional to 16,202,963.60, 22,359,647.36 and 8,959,371.92 is: 12,363,688.62
Step by Step Solution
- Step 1: Write the proportion equation
16,202,963.60 : 22,359,647.36 = 8,959,371.92 : x - Step 2: Convert to fraction form
16,202,963.60/22,359,647.36 = 8,959,371.92/x - Step 3: Cross multiply
16,202,963.60x = 22,359,647.36 × 8,959,371.92 - Step 4: Simplify right side
16,202,963.60x = 200,328,396,698,286.12 - Step 5: Solve for x
x = 200,328,396,698,286.12/16,202,963.60 - Step 6: Final answer
x = 12,363,688.62
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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.