Finding the Fourth Proportional to 18,603,108.99, 25,672,588.98 and 10,230,809.67
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Solution
The fourth proportional to 18,603,108.99, 25,672,588.98 and 10,230,809.67 is: 14,118,681.55
Step by Step Solution
- Step 1: Write the proportion equation
18,603,108.99 : 25,672,588.98 = 10,230,809.67 : x - Step 2: Convert to fraction form
18,603,108.99/25,672,588.98 = 10,230,809.67/x - Step 3: Cross multiply
18,603,108.99x = 25,672,588.98 × 10,230,809.67 - Step 4: Simplify right side
18,603,108.99x = 262,651,371,590,519.44 - Step 5: Solve for x
x = 262,651,371,590,519.44/18,603,108.99 - Step 6: Final answer
x = 14,118,681.55
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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.