Finding the Fourth Proportional to 11,565,552.88, 15,960,556.74 and 6,409,000.54
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Solution
The fourth proportional to 11,565,552.88, 15,960,556.74 and 6,409,000.54 is: 8,844,472.70
Step by Step Solution
- Step 1: Write the proportion equation
11,565,552.88 : 15,960,556.74 = 6,409,000.54 : x - Step 2: Convert to fraction form
11,565,552.88/15,960,556.74 = 6,409,000.54/x - Step 3: Cross multiply
11,565,552.88x = 15,960,556.74 × 6,409,000.54 - Step 4: Simplify right side
11,565,552.88x = 102,291,216,765,360.64 - Step 5: Solve for x
x = 102,291,216,765,360.64/11,565,552.88 - Step 6: Final answer
x = 8,844,472.70
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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.