Finding the Fourth Proportional to 16,852,600.79, 23,272,651.08 and 15,934,481.81
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Solution
The fourth proportional to 16,852,600.79, 23,272,651.08 and 15,934,481.81 is: 22,004,771.84
Step by Step Solution
- Step 1: Write the proportion equation
16,852,600.79 : 23,272,651.08 = 15,934,481.81 : x - Step 2: Convert to fraction form
16,852,600.79/23,272,651.08 = 15,934,481.81/x - Step 3: Cross multiply
16,852,600.79x = 23,272,651.08 × 15,934,481.81 - Step 4: Simplify right side
16,852,600.79x = 370,837,635,406,554.69 - Step 5: Solve for x
x = 370,837,635,406,554.69/16,852,600.79 - Step 6: Final answer
x = 22,004,771.84
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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.