Finding the Fourth Proportional to 8,146,407.06, 12,219,610.14 and 2,081,151.99
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Solution
The fourth proportional to 8,146,407.06, 12,219,610.14 and 2,081,151.99 is: 3,121,727.87
Step by Step Solution
- Step 1: Write the proportion equation
8,146,407.06 : 12,219,610.14 = 2,081,151.99 : x - Step 2: Convert to fraction form
8,146,407.06/12,219,610.14 = 2,081,151.99/x - Step 3: Cross multiply
8,146,407.06x = 12,219,610.14 × 2,081,151.99 - Step 4: Simplify right side
8,146,407.06x = 25,430,865,959,885.18 - Step 5: Solve for x
x = 25,430,865,959,885.18/8,146,407.06 - Step 6: Final answer
x = 3,121,727.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.