Finding the Fourth Proportional to 11,169,029.33, 16,753,587.74 and 7,381,670.21
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Solution
The fourth proportional to 11,169,029.33, 16,753,587.74 and 7,381,670.21 is: 11,072,534.23
Step by Step Solution
- Step 1: Write the proportion equation
11,169,029.33 : 16,753,587.74 = 7,381,670.21 : x - Step 2: Convert to fraction form
11,169,029.33/16,753,587.74 = 7,381,670.21/x - Step 3: Cross multiply
11,169,029.33x = 16,753,587.74 × 7,381,670.21 - Step 4: Simplify right side
11,169,029.33x = 123,669,459,530,979.22 - Step 5: Solve for x
x = 123,669,459,530,979.22/11,169,029.33 - Step 6: Final answer
x = 11,072,534.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.