Finding the Fourth Proportional to 14,317,403.68, 21,476,109.68 and 11,787,745.44
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Solution
The fourth proportional to 14,317,403.68, 21,476,109.68 and 11,787,745.44 is: 17,681,621.58
Step by Step Solution
- Step 1: Write the proportion equation
14,317,403.68 : 21,476,109.68 = 11,787,745.44 : x - Step 2: Convert to fraction form
14,317,403.68/21,476,109.68 = 11,787,745.44/x - Step 3: Cross multiply
14,317,403.68x = 21,476,109.68 × 11,787,745.44 - Step 4: Simplify right side
14,317,403.68x = 253,154,913,949,359.84 - Step 5: Solve for x
x = 253,154,913,949,359.84/14,317,403.68 - Step 6: Final answer
x = 17,681,621.58
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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.