Finding the Fourth Proportional to 21,438,924.65, 29,585,902.83 and 11,649,369
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Solution
The fourth proportional to 21,438,924.65, 29,585,902.83 and 11,649,369 is: 16,076,230.73
Step by Step Solution
- Step 1: Write the proportion equation
21,438,924.65 : 29,585,902.83 = 11,649,369 : x - Step 2: Convert to fraction form
21,438,924.65/29,585,902.83 = 11,649,369/x - Step 3: Cross multiply
21,438,924.65x = 29,585,902.83 × 11,649,369 - Step 4: Simplify right side
21,438,924.65x = 344,657,099,264,814.25 - Step 5: Solve for x
x = 344,657,099,264,814.25/21,438,924.65 - Step 6: Final answer
x = 16,076,230.73
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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.