Finding the Fourth Proportional to 14,401,865.97, 19,873,942.39 and 8,208,253.26
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Solution
The fourth proportional to 14,401,865.97, 19,873,942.39 and 8,208,253.26 is: 11,327,028.92
Step by Step Solution
- Step 1: Write the proportion equation
14,401,865.97 : 19,873,942.39 = 8,208,253.26 : x - Step 2: Convert to fraction form
14,401,865.97/19,873,942.39 = 8,208,253.26/x - Step 3: Cross multiply
14,401,865.97x = 19,873,942.39 × 8,208,253.26 - Step 4: Simplify right side
14,401,865.97x = 163,130,352,411,769.69 - Step 5: Solve for x
x = 163,130,352,411,769.69/14,401,865.97 - Step 6: Final answer
x = 11,327,028.92
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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.