Finding the Fourth Proportional to 30,045,107.74, 45,119,236.81 and 18,441,616.07
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Solution
The fourth proportional to 30,045,107.74, 45,119,236.81 and 18,441,616.07 is: 27,694,080.84
Step by Step Solution
- Step 1: Write the proportion equation
30,045,107.74 : 45,119,236.81 = 18,441,616.07 : x - Step 2: Convert to fraction form
30,045,107.74/45,119,236.81 = 18,441,616.07/x - Step 3: Cross multiply
30,045,107.74x = 45,119,236.81 × 18,441,616.07 - Step 4: Simplify right side
30,045,107.74x = 832,071,642,424,298.38 - Step 5: Solve for x
x = 832,071,642,424,298.38/30,045,107.74 - Step 6: Final answer
x = 27,694,080.84
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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.