Finding the Fourth Proportional to 29,103,742.23, 43,642,940.07 and 8,349,601.47
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Solution
The fourth proportional to 29,103,742.23, 43,642,940.07 and 8,349,601.47 is: 12,520,766.36
Step by Step Solution
- Step 1: Write the proportion equation
29,103,742.23 : 43,642,940.07 = 8,349,601.47 : x - Step 2: Convert to fraction form
29,103,742.23/43,642,940.07 = 8,349,601.47/x - Step 3: Cross multiply
29,103,742.23x = 43,642,940.07 × 8,349,601.47 - Step 4: Simplify right side
29,103,742.23x = 364,401,156,563,593.88 - Step 5: Solve for x
x = 364,401,156,563,593.88/29,103,742.23 - Step 6: Final answer
x = 12,520,766.36
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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.