Finding the Fourth Proportional to 8,317,867.30, 12,476,800.95 and 2,927,349.70
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Solution
The fourth proportional to 8,317,867.30, 12,476,800.95 and 2,927,349.70 is: 4,391,024.55
Step by Step Solution
- Step 1: Write the proportion equation
8,317,867.30 : 12,476,800.95 = 2,927,349.70 : x - Step 2: Convert to fraction form
8,317,867.30/12,476,800.95 = 2,927,349.70/x - Step 3: Cross multiply
8,317,867.30x = 12,476,800.95 × 2,927,349.70 - Step 4: Simplify right side
8,317,867.30x = 36,523,959,517,942.22 - Step 5: Solve for x
x = 36,523,959,517,942.22/8,317,867.30 - Step 6: Final answer
x = 4,391,024.55
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1.5x scale
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.