Finding the Fourth Proportional to 10,509,541.60, 15,771,310.80 and 4,826,840.80
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Solution
The fourth proportional to 10,509,541.60, 15,771,310.80 and 4,826,840.80 is: 7,243,475.44
Step by Step Solution
- Step 1: Write the proportion equation
10,509,541.60 : 15,771,310.80 = 4,826,840.80 : x - Step 2: Convert to fraction form
10,509,541.60/15,771,310.80 = 4,826,840.80/x - Step 3: Cross multiply
10,509,541.60x = 15,771,310.80 × 4,826,840.80 - Step 4: Simplify right side
10,509,541.60x = 76,125,606,438,920.64 - Step 5: Solve for x
x = 76,125,606,438,920.64/10,509,541.60 - Step 6: Final answer
x = 7,243,475.44
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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.