Finding the Fourth Proportional to 26,816,161.80, 40,245,237.90 and 12,441,010.80
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Solution
The fourth proportional to 26,816,161.80, 40,245,237.90 and 12,441,010.80 is: 18,671,256.65
Step by Step Solution
- Step 1: Write the proportion equation
26,816,161.80 : 40,245,237.90 = 12,441,010.80 : x - Step 2: Convert to fraction form
26,816,161.80/40,245,237.90 = 12,441,010.80/x - Step 3: Cross multiply
26,816,161.80x = 40,245,237.90 × 12,441,010.80 - Step 4: Simplify right side
26,816,161.80x = 500,691,439,362,469.31 - Step 5: Solve for x
x = 500,691,439,362,469.31/26,816,161.80 - Step 6: Final answer
x = 18,671,256.65
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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.