Finding the Fourth Proportional to 11,940,466.19, 16,478,288.12 and 6,784,701.71
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Solution
The fourth proportional to 11,940,466.19, 16,478,288.12 and 6,784,701.71 is: 9,363,141.09
Step by Step Solution
- Step 1: Write the proportion equation
11,940,466.19 : 16,478,288.12 = 6,784,701.71 : x - Step 2: Convert to fraction form
11,940,466.19/16,478,288.12 = 6,784,701.71/x - Step 3: Cross multiply
11,940,466.19x = 16,478,288.12 × 6,784,701.71 - Step 4: Simplify right side
11,940,466.19x = 111,800,269,520,207 - Step 5: Solve for x
x = 111,800,269,520,207/11,940,466.19 - Step 6: Final answer
x = 9,363,141.09
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1.5x scale
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.