Finding the Fourth Proportional to 14,790,128.84, 22,286,146.68 and 12,153,517.18
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Solution
The fourth proportional to 14,790,128.84, 22,286,146.68 and 12,153,517.18 is: 18,313,232.39
Step by Step Solution
- Step 1: Write the proportion equation
14,790,128.84 : 22,286,146.68 = 12,153,517.18 : x - Step 2: Convert to fraction form
14,790,128.84/22,286,146.68 = 12,153,517.18/x - Step 3: Cross multiply
14,790,128.84x = 22,286,146.68 × 12,153,517.18 - Step 4: Simplify right side
14,790,128.84x = 270,855,066,495,664.59 - Step 5: Solve for x
x = 270,855,066,495,664.59/14,790,128.84 - Step 6: Final answer
x = 18,313,232.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.