Finding the Fourth Proportional to 8,279,454.98, 11,424,283.17 and 4,608,276.18
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Solution
The fourth proportional to 8,279,454.98, 11,424,283.17 and 4,608,276.18 is: 6,358,661.55
Step by Step Solution
- Step 1: Write the proportion equation
8,279,454.98 : 11,424,283.17 = 4,608,276.18 : x - Step 2: Convert to fraction form
8,279,454.98/11,424,283.17 = 4,608,276.18/x - Step 3: Cross multiply
8,279,454.98x = 11,424,283.17 × 4,608,276.18 - Step 4: Simplify right side
8,279,454.98x = 52,646,252,005,885.89 - Step 5: Solve for x
x = 52,646,252,005,885.89/8,279,454.98 - Step 6: Final answer
x = 6,358,661.55
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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.