Finding the Fourth Proportional to 7,988,918.44, 11,983,882.12 and 3,377,044.71
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Solution
The fourth proportional to 7,988,918.44, 11,983,882.12 and 3,377,044.71 is: 5,065,780.32
Step by Step Solution
- Step 1: Write the proportion equation
7,988,918.44 : 11,983,882.12 = 3,377,044.71 : x - Step 2: Convert to fraction form
7,988,918.44/11,983,882.12 = 3,377,044.71/x - Step 3: Cross multiply
7,988,918.44x = 11,983,882.12 × 3,377,044.71 - Step 4: Simplify right side
7,988,918.44x = 40,470,105,752,790.59 - Step 5: Solve for x
x = 40,470,105,752,790.59/7,988,918.44 - Step 6: Final answer
x = 5,065,780.32
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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.