Finding the Fourth Proportional to 11,262,971.64, 15,542,807.10 and 6,369,154.68
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Solution
The fourth proportional to 11,262,971.64, 15,542,807.10 and 6,369,154.68 is: 8,789,380.44
Step by Step Solution
- Step 1: Write the proportion equation
11,262,971.64 : 15,542,807.10 = 6,369,154.68 : x - Step 2: Convert to fraction form
11,262,971.64/15,542,807.10 = 6,369,154.68/x - Step 3: Cross multiply
11,262,971.64x = 15,542,807.10 × 6,369,154.68 - Step 4: Simplify right side
11,262,971.64x = 98,994,542,581,302.22 - Step 5: Solve for x
x = 98,994,542,581,302.22/11,262,971.64 - Step 6: Final answer
x = 8,789,380.44
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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.