Finding the Fourth Proportional to 16,389,815.80, 24,584,723.70 and 7,886,759.80
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Solution
The fourth proportional to 16,389,815.80, 24,584,723.70 and 7,886,759.80 is: 11,830,139.70
Step by Step Solution
- Step 1: Write the proportion equation
16,389,815.80 : 24,584,723.70 = 7,886,759.80 : x - Step 2: Convert to fraction form
16,389,815.80/24,584,723.70 = 7,886,759.80/x - Step 3: Cross multiply
16,389,815.80x = 24,584,723.70 × 7,886,759.80 - Step 4: Simplify right side
16,389,815.80x = 193,893,810,571,267.25 - Step 5: Solve for x
x = 193,893,810,571,267.25/16,389,815.80 - Step 6: Final answer
x = 11,830,139.70
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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.