Finding the Fourth Proportional to 17,739,121.20, 26,600,905.80 and 8,151,313.20
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Solution
The fourth proportional to 17,739,121.20, 26,600,905.80 and 8,151,313.20 is: 12,223,396.65
Step by Step Solution
- Step 1: Write the proportion equation
17,739,121.20 : 26,600,905.80 = 8,151,313.20 : x - Step 2: Convert to fraction form
17,739,121.20/26,600,905.80 = 8,151,313.20/x - Step 3: Cross multiply
17,739,121.20x = 26,600,905.80 × 8,151,313.20 - Step 4: Simplify right side
17,739,121.20x = 216,832,314,579,496.56 - Step 5: Solve for x
x = 216,832,314,579,496.56/17,739,121.20 - Step 6: Final answer
x = 12,223,396.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.