Finding the Fourth Proportional to 8,177,543.70, 12,266,315.55 and 2,497,758.90
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Solution
The fourth proportional to 8,177,543.70, 12,266,315.55 and 2,497,758.90 is: 3,746,638.35
Step by Step Solution
- Step 1: Write the proportion equation
8,177,543.70 : 12,266,315.55 = 2,497,758.90 : x - Step 2: Convert to fraction form
8,177,543.70/12,266,315.55 = 2,497,758.90/x - Step 3: Cross multiply
8,177,543.70x = 12,266,315.55 × 2,497,758.90 - Step 4: Simplify right side
8,177,543.70x = 30,638,298,835,220.89 - Step 5: Solve for x
x = 30,638,298,835,220.89/8,177,543.70 - Step 6: Final answer
x = 3,746,638.35
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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.