Finding the Fourth Proportional to 11,818,662.12, 16,317,344.58 and 7,414,426.26
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Solution
The fourth proportional to 11,818,662.12, 16,317,344.58 and 7,414,426.26 is: 10,236,670.35
Step by Step Solution
- Step 1: Write the proportion equation
11,818,662.12 : 16,317,344.58 = 7,414,426.26 : x - Step 2: Convert to fraction form
11,818,662.12/16,317,344.58 = 7,414,426.26/x - Step 3: Cross multiply
11,818,662.12x = 16,317,344.58 × 7,414,426.26 - Step 4: Simplify right side
11,818,662.12x = 120,983,748,147,420.67 - Step 5: Solve for x
x = 120,983,748,147,420.67/11,818,662.12 - Step 6: Final answer
x = 10,236,670.35
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1.5x scale
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.