Finding the Fourth Proportional to 11,910,220.16, 17,867,101.68 and 5,521,118.36
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Solution
The fourth proportional to 11,910,220.16, 17,867,101.68 and 5,521,118.36 is: 8,282,498.71
Step by Step Solution
- Step 1: Write the proportion equation
11,910,220.16 : 17,867,101.68 = 5,521,118.36 : x - Step 2: Convert to fraction form
11,910,220.16/17,867,101.68 = 5,521,118.36/x - Step 3: Cross multiply
11,910,220.16x = 17,867,101.68 × 5,521,118.36 - Step 4: Simplify right side
11,910,220.16x = 98,646,383,125,434.84 - Step 5: Solve for x
x = 98,646,383,125,434.84/11,910,220.16 - Step 6: Final answer
x = 8,282,498.71
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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.