Finding the Fourth Proportional to 16,498,813.80, 24,748,220.70 and 12,247,285.80
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Solution
The fourth proportional to 16,498,813.80, 24,748,220.70 and 12,247,285.80 is: 18,370,928.70
Step by Step Solution
- Step 1: Write the proportion equation
16,498,813.80 : 24,748,220.70 = 12,247,285.80 : x - Step 2: Convert to fraction form
16,498,813.80/24,748,220.70 = 12,247,285.80/x - Step 3: Cross multiply
16,498,813.80x = 24,748,220.70 × 12,247,285.80 - Step 4: Simplify right side
16,498,813.80x = 303,098,531,954,376.06 - Step 5: Solve for x
x = 303,098,531,954,376.06/16,498,813.80 - Step 6: Final answer
x = 18,370,928.70
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1.5x scale
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.