Finding the Fourth Proportional to 18,993,509.24, 26,212,372.86 and 10,734,334.76
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Solution
The fourth proportional to 18,993,509.24, 26,212,372.86 and 10,734,334.76 is: 14,814,133.69
Step by Step Solution
- Step 1: Write the proportion equation
18,993,509.24 : 26,212,372.86 = 10,734,334.76 : x - Step 2: Convert to fraction form
18,993,509.24/26,212,372.86 = 10,734,334.76/x - Step 3: Cross multiply
18,993,509.24x = 26,212,372.86 × 10,734,334.76 - Step 4: Simplify right side
18,993,509.24x = 281,372,385,133,178.59 - Step 5: Solve for x
x = 281,372,385,133,178.59/18,993,509.24 - Step 6: Final answer
x = 14,814,133.69
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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.