Finding the Fourth Proportional to 36,291,405.80, 54,437,108.70 and 12,356,877.80
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Solution
The fourth proportional to 36,291,405.80, 54,437,108.70 and 12,356,877.80 is: 18,535,316.70
Step by Step Solution
- Step 1: Write the proportion equation
36,291,405.80 : 54,437,108.70 = 12,356,877.80 : x - Step 2: Convert to fraction form
36,291,405.80/54,437,108.70 = 12,356,877.80/x - Step 3: Cross multiply
36,291,405.80x = 54,437,108.70 × 12,356,877.80 - Step 4: Simplify right side
36,291,405.80x = 672,672,699,991,216.88 - Step 5: Solve for x
x = 672,672,699,991,216.88/36,291,405.80 - Step 6: Final answer
x = 18,535,316.70
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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.