Finding the Fourth Proportional to 38,332,963.68, 52,904,128.68 and 21,817,104
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Solution
The fourth proportional to 38,332,963.68, 52,904,128.68 and 21,817,104 is: 30,110,243.68
Step by Step Solution
- Step 1: Write the proportion equation
38,332,963.68 : 52,904,128.68 = 21,817,104 : x - Step 2: Convert to fraction form
38,332,963.68/52,904,128.68 = 21,817,104/x - Step 3: Cross multiply
38,332,963.68x = 52,904,128.68 × 21,817,104 - Step 4: Simplify right side
38,332,963.68x = 1,154,214,877,440,942.75 - Step 5: Solve for x
x = 1,154,214,877,440,942.75/38,332,963.68 - Step 6: Final answer
x = 30,110,243.68
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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.