Finding the Fourth Proportional to 12,177,125.84, 18,264,237.24 and 3,202,377.68
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Solution
The fourth proportional to 12,177,125.84, 18,264,237.24 and 3,202,377.68 is: 4,803,184.79
Step by Step Solution
- Step 1: Write the proportion equation
12,177,125.84 : 18,264,237.24 = 3,202,377.68 : x - Step 2: Convert to fraction form
12,177,125.84/18,264,237.24 = 3,202,377.68/x - Step 3: Cross multiply
12,177,125.84x = 18,264,237.24 × 3,202,377.68 - Step 4: Simplify right side
12,177,125.84x = 58,488,985,679,600.80 - Step 5: Solve for x
x = 58,488,985,679,600.80/12,177,125.84 - Step 6: Final answer
x = 4,803,184.79
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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.