Finding the Fourth Proportional to 36,266,124.80, 54,399,187.20 and 12,331,596.80
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Solution
The fourth proportional to 36,266,124.80, 54,399,187.20 and 12,331,596.80 is: 18,497,395.20
Step by Step Solution
- Step 1: Write the proportion equation
36,266,124.80 : 54,399,187.20 = 12,331,596.80 : x - Step 2: Convert to fraction form
36,266,124.80/54,399,187.20 = 12,331,596.80/x - Step 3: Cross multiply
36,266,124.80x = 54,399,187.20 × 12,331,596.80 - Step 4: Simplify right side
36,266,124.80x = 670,828,842,798,121 - Step 5: Solve for x
x = 670,828,842,798,121/36,266,124.80 - Step 6: Final answer
x = 18,497,395.20
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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.