Finding the Fourth Proportional to 14,712,344.16, 20,302,716.56 and 8,517,652.08
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Solution
The fourth proportional to 14,712,344.16, 20,302,716.56 and 8,517,652.08 is: 11,754,175.55
Step by Step Solution
- Step 1: Write the proportion equation
14,712,344.16 : 20,302,716.56 = 8,517,652.08 : x - Step 2: Convert to fraction form
14,712,344.16/20,302,716.56 = 8,517,652.08/x - Step 3: Cross multiply
14,712,344.16x = 20,302,716.56 × 8,517,652.08 - Step 4: Simplify right side
14,712,344.16x = 172,931,475,936,934.44 - Step 5: Solve for x
x = 172,931,475,936,934.44/14,712,344.16 - Step 6: Final answer
x = 11,754,175.55
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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.