Finding the Fourth Proportional to 33,710,291.58, 46,512,112.20 and 20,479,204.02
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Solution
The fourth proportional to 33,710,291.58, 46,512,112.20 and 20,479,204.02 is: 28,256,386.71
Step by Step Solution
- Step 1: Write the proportion equation
33,710,291.58 : 46,512,112.20 = 20,479,204.02 : x - Step 2: Convert to fraction form
33,710,291.58/46,512,112.20 = 20,479,204.02/x - Step 3: Cross multiply
33,710,291.58x = 46,512,112.20 × 20,479,204.02 - Step 4: Simplify right side
33,710,291.58x = 952,531,035,144,931.12 - Step 5: Solve for x
x = 952,531,035,144,931.12/33,710,291.58 - Step 6: Final answer
x = 28,256,386.71
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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.