Finding the Fourth Proportional to 32,343,472.49, 44,637,905.94 and 18,408,215.75
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Solution
The fourth proportional to 32,343,472.49, 44,637,905.94 and 18,408,215.75 is: 25,405,565.32
Step by Step Solution
- Step 1: Write the proportion equation
32,343,472.49 : 44,637,905.94 = 18,408,215.75 : x - Step 2: Convert to fraction form
32,343,472.49/44,637,905.94 = 18,408,215.75/x - Step 3: Cross multiply
32,343,472.49x = 44,637,905.94 × 18,408,215.75 - Step 4: Simplify right side
32,343,472.49x = 821,704,203,171,726.50 - Step 5: Solve for x
x = 821,704,203,171,726.50/32,343,472.49 - Step 6: Final answer
x = 25,405,565.32
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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.