Finding the Fourth Proportional to 18,197,315.06, 27,295,894.80 and 7,412,210.42
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Solution
The fourth proportional to 18,197,315.06, 27,295,894.80 and 7,412,210.42 is: 11,118,283.94
Step by Step Solution
- Step 1: Write the proportion equation
18,197,315.06 : 27,295,894.80 = 7,412,210.42 : x - Step 2: Convert to fraction form
18,197,315.06/27,295,894.80 = 7,412,210.42/x - Step 3: Cross multiply
18,197,315.06x = 27,295,894.80 × 7,412,210.42 - Step 4: Simplify right side
18,197,315.06x = 202,322,915,723,304.34 - Step 5: Solve for x
x = 202,322,915,723,304.34/18,197,315.06 - Step 6: Final answer
x = 11,118,283.94
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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.