Finding the Fourth Proportional to 8,513,672.76, 11,749,117.26 and 4,646,442.12
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Solution
The fourth proportional to 8,513,672.76, 11,749,117.26 and 4,646,442.12 is: 6,412,225.94
Step by Step Solution
- Step 1: Write the proportion equation
8,513,672.76 : 11,749,117.26 = 4,646,442.12 : x - Step 2: Convert to fraction form
8,513,672.76/11,749,117.26 = 4,646,442.12/x - Step 3: Cross multiply
8,513,672.76x = 11,749,117.26 × 4,646,442.12 - Step 4: Simplify right side
8,513,672.76x = 54,591,593,309,682.99 - Step 5: Solve for x
x = 54,591,593,309,682.99/8,513,672.76 - Step 6: Final answer
x = 6,412,225.94
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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.