Finding the Fourth Proportional to 11,295,045.24, 15,587,260.21 and 6,138,407.85
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Solution
The fourth proportional to 11,295,045.24, 15,587,260.21 and 6,138,407.85 is: 8,471,055.97
Step by Step Solution
- Step 1: Write the proportion equation
11,295,045.24 : 15,587,260.21 = 6,138,407.85 : x - Step 2: Convert to fraction form
11,295,045.24/15,587,260.21 = 6,138,407.85/x - Step 3: Cross multiply
11,295,045.24x = 15,587,260.21 × 6,138,407.85 - Step 4: Simplify right side
11,295,045.24x = 95,680,960,433,056.64 - Step 5: Solve for x
x = 95,680,960,433,056.64/11,295,045.24 - Step 6: Final answer
x = 8,471,055.97
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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.