Finding the Fourth Proportional to 7,135,596.84, 9,847,195.86 and 3,872,439.84
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Solution
The fourth proportional to 7,135,596.84, 9,847,195.86 and 3,872,439.84 is: 5,344,006.17
Step by Step Solution
- Step 1: Write the proportion equation
7,135,596.84 : 9,847,195.86 = 3,872,439.84 : x - Step 2: Convert to fraction form
7,135,596.84/9,847,195.86 = 3,872,439.84/x - Step 3: Cross multiply
7,135,596.84x = 9,847,195.86 × 3,872,439.84 - Step 4: Simplify right side
7,135,596.84x = 38,132,673,560,547.06 - Step 5: Solve for x
x = 38,132,673,560,547.06/7,135,596.84 - Step 6: Final answer
x = 5,344,006.17
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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.