Finding the Fourth Proportional to 13,005,260.26, 19,507,834.68 and 3,289,965.20
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Solution
The fourth proportional to 13,005,260.26, 19,507,834.68 and 3,289,965.20 is: 4,934,933.71
Step by Step Solution
- Step 1: Write the proportion equation
13,005,260.26 : 19,507,834.68 = 3,289,965.20 : x - Step 2: Convert to fraction form
13,005,260.26/19,507,834.68 = 3,289,965.20/x - Step 3: Cross multiply
13,005,260.26x = 19,507,834.68 × 3,289,965.20 - Step 4: Simplify right side
13,005,260.26x = 64,180,097,224,553.14 - Step 5: Solve for x
x = 64,180,097,224,553.14/13,005,260.26 - Step 6: Final answer
x = 4,934,933.71
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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.