Finding the Fourth Proportional to 10,129,244.94, 15,189,138.23 and 3,651,467.18
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Solution
The fourth proportional to 10,129,244.94, 15,189,138.23 and 3,651,467.18 is: 5,475,495.95
Step by Step Solution
- Step 1: Write the proportion equation
10,129,244.94 : 15,189,138.23 = 3,651,467.18 : x - Step 2: Convert to fraction form
10,129,244.94/15,189,138.23 = 3,651,467.18/x - Step 3: Cross multiply
10,129,244.94x = 15,189,138.23 × 3,651,467.18 - Step 4: Simplify right side
10,129,244.94x = 55,462,639,645,125.26 - Step 5: Solve for x
x = 55,462,639,645,125.26/10,129,244.94 - Step 6: Final answer
x = 5,475,495.95
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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.