Finding the Fourth Proportional to 23,794,228.80, 32,836,243.68 and 12,929,212.80
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Solution
The fourth proportional to 23,794,228.80, 32,836,243.68 and 12,929,212.80 is: 17,842,426.65
Step by Step Solution
- Step 1: Write the proportion equation
23,794,228.80 : 32,836,243.68 = 12,929,212.80 : x - Step 2: Convert to fraction form
23,794,228.80/32,836,243.68 = 12,929,212.80/x - Step 3: Cross multiply
23,794,228.80x = 32,836,243.68 × 12,929,212.80 - Step 4: Simplify right side
23,794,228.80x = 424,546,782,091,375.12 - Step 5: Solve for x
x = 424,546,782,091,375.12/23,794,228.80 - Step 6: Final answer
x = 17,842,426.65
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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.