Finding the Fourth Proportional to 16,430,963.38, 24,617,215.80 and 14,010,249.62
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Solution
The fourth proportional to 16,430,963.38, 24,617,215.80 and 14,010,249.62 is: 20,990,451.40
Step by Step Solution
- Step 1: Write the proportion equation
16,430,963.38 : 24,617,215.80 = 14,010,249.62 : x - Step 2: Convert to fraction form
16,430,963.38/24,617,215.80 = 14,010,249.62/x - Step 3: Cross multiply
16,430,963.38x = 24,617,215.80 × 14,010,249.62 - Step 4: Simplify right side
16,430,963.38x = 344,893,338,307,408 - Step 5: Solve for x
x = 344,893,338,307,408/16,430,963.38 - Step 6: Final answer
x = 20,990,451.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.