Finding the Fourth Proportional to 7,352,545.90, 10,143,730.11 and 4,560,377.62
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Solution
The fourth proportional to 7,352,545.90, 10,143,730.11 and 4,560,377.62 is: 6,291,594.83
Step by Step Solution
- Step 1: Write the proportion equation
7,352,545.90 : 10,143,730.11 = 4,560,377.62 : x - Step 2: Convert to fraction form
7,352,545.90/10,143,730.11 = 4,560,377.62/x - Step 3: Cross multiply
7,352,545.90x = 10,143,730.11 × 4,560,377.62 - Step 4: Simplify right side
7,352,545.90x = 46,259,239,776,964.13 - Step 5: Solve for x
x = 46,259,239,776,964.13/7,352,545.90 - Step 6: Final answer
x = 6,291,594.83
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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.