Finding the Fourth Proportional to 8,278,888.41, 12,417,354.62 and 2,214,090.18
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Solution
The fourth proportional to 8,278,888.41, 12,417,354.62 and 2,214,090.18 is: 3,320,873.72
Step by Step Solution
- Step 1: Write the proportion equation
8,278,888.41 : 12,417,354.62 = 2,214,090.18 : x - Step 2: Convert to fraction form
8,278,888.41/12,417,354.62 = 2,214,090.18/x - Step 3: Cross multiply
8,278,888.41x = 12,417,354.62 × 2,214,090.18 - Step 4: Simplify right side
8,278,888.41x = 27,493,142,944,998.93 - Step 5: Solve for x
x = 27,493,142,944,998.93/8,278,888.41 - Step 6: Final answer
x = 3,320,873.72
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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.