Finding the Fourth Proportional to 25,408,859.76, 38,091,858.12 and 11,021,089.68
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Solution
The fourth proportional to 25,408,859.76, 38,091,858.12 and 11,021,089.68 is: 16,522,338.60
Step by Step Solution
- Step 1: Write the proportion equation
25,408,859.76 : 38,091,858.12 = 11,021,089.68 : x - Step 2: Convert to fraction form
25,408,859.76/38,091,858.12 = 11,021,089.68/x - Step 3: Cross multiply
25,408,859.76x = 38,091,858.12 × 11,021,089.68 - Step 4: Simplify right side
25,408,859.76x = 419,813,784,418,356.19 - Step 5: Solve for x
x = 419,813,784,418,356.19/25,408,859.76 - Step 6: Final answer
x = 16,522,338.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.