Finding the Fourth Proportional to 10,900,629.46, 15,043,209.69 and 6,255,265.14
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Solution
The fourth proportional to 10,900,629.46, 15,043,209.69 and 6,255,265.14 is: 8,632,461.59
Step by Step Solution
- Step 1: Write the proportion equation
10,900,629.46 : 15,043,209.69 = 6,255,265.14 : x - Step 2: Convert to fraction form
10,900,629.46/15,043,209.69 = 6,255,265.14/x - Step 3: Cross multiply
10,900,629.46x = 15,043,209.69 × 6,255,265.14 - Step 4: Simplify right side
10,900,629.46x = 94,099,265,167,567.20 - Step 5: Solve for x
x = 94,099,265,167,567.20/10,900,629.46 - Step 6: Final answer
x = 8,632,461.59
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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.