Finding the Fourth Proportional to 32,998,975.44, 45,537,900.90 and 18,313,788.84
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Solution
The fourth proportional to 32,998,975.44, 45,537,900.90 and 18,313,788.84 is: 25,272,648.32
Step by Step Solution
- Step 1: Write the proportion equation
32,998,975.44 : 45,537,900.90 = 18,313,788.84 : x - Step 2: Convert to fraction form
32,998,975.44/45,537,900.90 = 18,313,788.84/x - Step 3: Cross multiply
32,998,975.44x = 45,537,900.90 × 18,313,788.84 - Step 4: Simplify right side
32,998,975.44x = 833,971,501,299,445.88 - Step 5: Solve for x
x = 833,971,501,299,445.88/32,998,975.44 - Step 6: Final answer
x = 25,272,648.32
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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.