Finding the Fourth Proportional to 10,352,425.60, 15,528,492.60 and 4,672,640.80
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Solution
The fourth proportional to 10,352,425.60, 15,528,492.60 and 4,672,640.80 is: 7,008,895.39
Step by Step Solution
- Step 1: Write the proportion equation
10,352,425.60 : 15,528,492.60 = 4,672,640.80 : x - Step 2: Convert to fraction form
10,352,425.60/15,528,492.60 = 4,672,640.80/x - Step 3: Cross multiply
10,352,425.60x = 15,528,492.60 × 4,672,640.80 - Step 4: Simplify right side
10,352,425.60x = 72,559,068,085,258.08 - Step 5: Solve for x
x = 72,559,068,085,258.08/10,352,425.60 - Step 6: Final answer
x = 7,008,895.39
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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.