Finding the Fourth Proportional to 24,618,731.20, 33,972,069.92 and 13,605,349.12
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Solution
The fourth proportional to 24,618,731.20, 33,972,069.92 and 13,605,349.12 is: 18,774,398.56
Step by Step Solution
- Step 1: Write the proportion equation
24,618,731.20 : 33,972,069.92 = 13,605,349.12 : x - Step 2: Convert to fraction form
24,618,731.20/33,972,069.92 = 13,605,349.12/x - Step 3: Cross multiply
24,618,731.20x = 33,972,069.92 × 13,605,349.12 - Step 4: Simplify right side
24,618,731.20x = 462,201,871,590,650.44 - Step 5: Solve for x
x = 462,201,871,590,650.44/24,618,731.20 - Step 6: Final answer
x = 18,774,398.56
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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.