Finding the Fourth Proportional to 35,457,929.20, 53,188,643.40 and 18,451,817.20
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Solution
The fourth proportional to 35,457,929.20, 53,188,643.40 and 18,451,817.20 is: 27,678,636.27
Step by Step Solution
- Step 1: Write the proportion equation
35,457,929.20 : 53,188,643.40 = 18,451,817.20 : x - Step 2: Convert to fraction form
35,457,929.20/53,188,643.40 = 18,451,817.20/x - Step 3: Cross multiply
35,457,929.20x = 53,188,643.40 × 18,451,817.20 - Step 4: Simplify right side
35,457,929.20x = 981,427,125,132,786.38 - Step 5: Solve for x
x = 981,427,125,132,786.38/35,457,929.20 - Step 6: Final answer
x = 27,678,636.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.