Finding the Fourth Proportional to 35,457,374.20, 53,187,810.90 and 18,451,262.20
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Solution
The fourth proportional to 35,457,374.20, 53,187,810.90 and 18,451,262.20 is: 27,677,803.75
Step by Step Solution
- Step 1: Write the proportion equation
35,457,374.20 : 53,187,810.90 = 18,451,262.20 : x - Step 2: Convert to fraction form
35,457,374.20/53,187,810.90 = 18,451,262.20/x - Step 3: Cross multiply
35,457,374.20x = 53,187,810.90 × 18,451,262.20 - Step 4: Simplify right side
35,457,374.20x = 981,382,244,759,917.88 - Step 5: Solve for x
x = 981,382,244,759,917.88/35,457,374.20 - Step 6: Final answer
x = 27,677,803.75
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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.