Finding the Fourth Proportional to 11,170,130.78, 15,416,028.61 and 6,762,285.17
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Solution
The fourth proportional to 11,170,130.78, 15,416,028.61 and 6,762,285.17 is: 9,332,709.14
Step by Step Solution
- Step 1: Write the proportion equation
11,170,130.78 : 15,416,028.61 = 6,762,285.17 : x - Step 2: Convert to fraction form
11,170,130.78/15,416,028.61 = 6,762,285.17/x - Step 3: Cross multiply
11,170,130.78x = 15,416,028.61 × 6,762,285.17 - Step 4: Simplify right side
11,170,130.78x = 104,247,581,613,522.97 - Step 5: Solve for x
x = 104,247,581,613,522.97/11,170,130.78 - Step 6: Final answer
x = 9,332,709.14
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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.