Finding the Fourth Proportional to 29,789,865.80, 44,684,798.70 and 18,452,457.80
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Solution
The fourth proportional to 29,789,865.80, 44,684,798.70 and 18,452,457.80 is: 27,678,686.70
Step by Step Solution
- Step 1: Write the proportion equation
29,789,865.80 : 44,684,798.70 = 18,452,457.80 : x - Step 2: Convert to fraction form
29,789,865.80/44,684,798.70 = 18,452,457.80/x - Step 3: Cross multiply
29,789,865.80x = 44,684,798.70 × 18,452,457.80 - Step 4: Simplify right side
29,789,865.80x = 824,544,362,313,245 - Step 5: Solve for x
x = 824,544,362,313,245/29,789,865.80 - Step 6: Final answer
x = 27,678,686.70
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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.