Finding the Fourth Proportional to 18,453,672.14, 27,681,277.35 and 6,331,473.77
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Solution
The fourth proportional to 18,453,672.14, 27,681,277.35 and 6,331,473.77 is: 9,497,474.55
Step by Step Solution
- Step 1: Write the proportion equation
18,453,672.14 : 27,681,277.35 = 6,331,473.77 : x - Step 2: Convert to fraction form
18,453,672.14/27,681,277.35 = 6,331,473.77/x - Step 3: Cross multiply
18,453,672.14x = 27,681,277.35 × 6,331,473.77 - Step 4: Simplify right side
18,453,672.14x = 175,263,281,461,620.09 - Step 5: Solve for x
x = 175,263,281,461,620.09/18,453,672.14 - Step 6: Final answer
x = 9,497,474.55
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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.