Finding the Fourth Proportional to 21,452,604.67, 29,603,267.99 and 12,032,877.19
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Solution
The fourth proportional to 21,452,604.67, 29,603,267.99 and 12,032,877.19 is: 16,604,626.51
Step by Step Solution
- Step 1: Write the proportion equation
21,452,604.67 : 29,603,267.99 = 12,032,877.19 : x - Step 2: Convert to fraction form
21,452,604.67/29,603,267.99 = 12,032,877.19/x - Step 3: Cross multiply
21,452,604.67x = 29,603,267.99 × 12,032,877.19 - Step 4: Simplify right side
21,452,604.67x = 356,212,488,180,469.94 - Step 5: Solve for x
x = 356,212,488,180,469.94/21,452,604.67 - Step 6: Final answer
x = 16,604,626.51
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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.