Finding the Fourth Proportional to 11,245,872.60, 16,868,808.90 and 4,058,515.80
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Solution
The fourth proportional to 11,245,872.60, 16,868,808.90 and 4,058,515.80 is: 6,087,773.70
Step by Step Solution
- Step 1: Write the proportion equation
11,245,872.60 : 16,868,808.90 = 4,058,515.80 : x - Step 2: Convert to fraction form
11,245,872.60/16,868,808.90 = 4,058,515.80/x - Step 3: Cross multiply
11,245,872.60x = 16,868,808.90 × 4,058,515.80 - Step 4: Simplify right side
11,245,872.60x = 68,462,327,447,830.61 - Step 5: Solve for x
x = 68,462,327,447,830.61/11,245,872.60 - Step 6: Final answer
x = 6,087,773.70
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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.