Finding the Fourth Proportional to 23,732,721.36, 32,749,858.44 and 13,421,512.08
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Solution
The fourth proportional to 23,732,721.36, 32,749,858.44 and 13,421,512.08 is: 18,520,953.16
Step by Step Solution
- Step 1: Write the proportion equation
23,732,721.36 : 32,749,858.44 = 13,421,512.08 : x - Step 2: Convert to fraction form
23,732,721.36/32,749,858.44 = 13,421,512.08/x - Step 3: Cross multiply
23,732,721.36x = 32,749,858.44 × 13,421,512.08 - Step 4: Simplify right side
23,732,721.36x = 439,552,620,670,750 - Step 5: Solve for x
x = 439,552,620,670,750/23,732,721.36 - Step 6: Final answer
x = 18,520,953.16
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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.