Finding the Fourth Proportional to 11,177,653.13, 15,422,897.94 and 6,530,539.91
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Solution
The fourth proportional to 11,177,653.13, 15,422,897.94 and 6,530,539.91 is: 9,010,822.70
Step by Step Solution
- Step 1: Write the proportion equation
11,177,653.13 : 15,422,897.94 = 6,530,539.91 : x - Step 2: Convert to fraction form
11,177,653.13/15,422,897.94 = 6,530,539.91/x - Step 3: Cross multiply
11,177,653.13x = 15,422,897.94 × 6,530,539.91 - Step 4: Simplify right side
11,177,653.13x = 100,719,850,525,026.78 - Step 5: Solve for x
x = 100,719,850,525,026.78/11,177,653.13 - Step 6: Final answer
x = 9,010,822.70
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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.