Finding the Fourth Proportional to 11,086,113.24, 15,187,721.40 and 10,671,631.63
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Solution
The fourth proportional to 11,086,113.24, 15,187,721.40 and 10,671,631.63 is: 14,619,891.08
Step by Step Solution
- Step 1: Write the proportion equation
11,086,113.24 : 15,187,721.40 = 10,671,631.63 : x - Step 2: Convert to fraction form
11,086,113.24/15,187,721.40 = 10,671,631.63/x - Step 3: Cross multiply
11,086,113.24x = 15,187,721.40 × 10,671,631.63 - Step 4: Simplify right side
11,086,113.24x = 162,077,768,079,867.91 - Step 5: Solve for x
x = 162,077,768,079,867.91/11,086,113.24 - Step 6: Final answer
x = 14,619,891.08
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.