Finding the Fourth Proportional to 15,278,302.77, 22,917,121.25 and 7,186,793.40
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Solution
The fourth proportional to 15,278,302.77, 22,917,121.25 and 7,186,793.40 is: 10,780,033.50
Step by Step Solution
- Step 1: Write the proportion equation
15,278,302.77 : 22,917,121.25 = 7,186,793.40 : x - Step 2: Convert to fraction form
15,278,302.77/22,917,121.25 = 7,186,793.40/x - Step 3: Cross multiply
15,278,302.77x = 22,917,121.25 × 7,186,793.40 - Step 4: Simplify right side
15,278,302.77x = 164,700,615,710,565.81 - Step 5: Solve for x
x = 164,700,615,710,565.81/15,278,302.77 - Step 6: Final answer
x = 10,780,033.50
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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.