Finding the Fourth Proportional to 8,460,278.18, 11,675,198.38 and 4,838,606.18
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Solution
The fourth proportional to 8,460,278.18, 11,675,198.38 and 4,838,606.18 is: 6,677,284.82
Step by Step Solution
- Step 1: Write the proportion equation
8,460,278.18 : 11,675,198.38 = 4,838,606.18 : x - Step 2: Convert to fraction form
8,460,278.18/11,675,198.38 = 4,838,606.18/x - Step 3: Cross multiply
8,460,278.18x = 11,675,198.38 × 4,838,606.18 - Step 4: Simplify right side
8,460,278.18x = 56,491,687,034,193.99 - Step 5: Solve for x
x = 56,491,687,034,193.99/8,460,278.18 - Step 6: Final answer
x = 6,677,284.82
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1.5x scale
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.