Finding the Fourth Proportional to 10,968,823.26, 16,445,650.74 and 4,817,836.55
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Solution
The fourth proportional to 10,968,823.26, 16,445,650.74 and 4,817,836.55 is: 7,223,423.63
Step by Step Solution
- Step 1: Write the proportion equation
10,968,823.26 : 16,445,650.74 = 4,817,836.55 : x - Step 2: Convert to fraction form
10,968,823.26/16,445,650.74 = 4,817,836.55/x - Step 3: Cross multiply
10,968,823.26x = 16,445,650.74 × 4,817,836.55 - Step 4: Simplify right side
10,968,823.26x = 79,232,457,141,478.30 - Step 5: Solve for x
x = 79,232,457,141,478.30/10,968,823.26 - Step 6: Final answer
x = 7,223,423.63
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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.