Finding the Fourth Proportional to 10,520,793.12, 14,517,867.60 and 6,445,858.08
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Solution
The fourth proportional to 10,520,793.12, 14,517,867.60 and 6,445,858.08 is: 8,894,777.52
Step by Step Solution
- Step 1: Write the proportion equation
10,520,793.12 : 14,517,867.60 = 6,445,858.08 : x - Step 2: Convert to fraction form
10,520,793.12/14,517,867.60 = 6,445,858.08/x - Step 3: Cross multiply
10,520,793.12x = 14,517,867.60 × 6,445,858.08 - Step 4: Simplify right side
10,520,793.12x = 93,580,114,173,830.20 - Step 5: Solve for x
x = 93,580,114,173,830.20/10,520,793.12 - Step 6: Final answer
x = 8,894,777.52
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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.