Finding the Fourth Proportional to 13,800,874.36, 19,045,335.72 and 7,606,148.08
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Solution
The fourth proportional to 13,800,874.36, 19,045,335.72 and 7,606,148.08 is: 10,496,555.50
Step by Step Solution
- Step 1: Write the proportion equation
13,800,874.36 : 19,045,335.72 = 7,606,148.08 : x - Step 2: Convert to fraction form
13,800,874.36/19,045,335.72 = 7,606,148.08/x - Step 3: Cross multiply
13,800,874.36x = 19,045,335.72 × 7,606,148.08 - Step 4: Simplify right side
13,800,874.36x = 144,861,643,719,633.41 - Step 5: Solve for x
x = 144,861,643,719,633.41/13,800,874.36 - Step 6: Final answer
x = 10,496,555.50
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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.