Finding the Fourth Proportional to 10,232,416.84, 14,120,780.34 and 5,648,775.88
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Solution
The fourth proportional to 10,232,416.84, 14,120,780.34 and 5,648,775.88 is: 7,795,335.61
Step by Step Solution
- Step 1: Write the proportion equation
10,232,416.84 : 14,120,780.34 = 5,648,775.88 : x - Step 2: Convert to fraction form
10,232,416.84/14,120,780.34 = 5,648,775.88/x - Step 3: Cross multiply
10,232,416.84x = 14,120,780.34 × 5,648,775.88 - Step 4: Simplify right side
10,232,416.84x = 79,765,123,391,370.20 - Step 5: Solve for x
x = 79,765,123,391,370.20/10,232,416.84 - Step 6: Final answer
x = 7,795,335.61
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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.