Finding the Fourth Proportional to 15,164,363.70, 22,746,545.55 and 8,432,777.70
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Solution
The fourth proportional to 15,164,363.70, 22,746,545.55 and 8,432,777.70 is: 12,649,166.55
Step by Step Solution
- Step 1: Write the proportion equation
15,164,363.70 : 22,746,545.55 = 8,432,777.70 : x - Step 2: Convert to fraction form
15,164,363.70/22,746,545.55 = 8,432,777.70/x - Step 3: Cross multiply
15,164,363.70x = 22,746,545.55 × 8,432,777.70 - Step 4: Simplify right side
15,164,363.70x = 191,816,562,066,074.22 - Step 5: Solve for x
x = 191,816,562,066,074.22/15,164,363.70 - Step 6: Final answer
x = 12,649,166.55
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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.