Finding the Fourth Proportional to 11,332,924.65, 15,639,990.44 and 6,372,927.05
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Solution
The fourth proportional to 11,332,924.65, 15,639,990.44 and 6,372,927.05 is: 8,794,951.09
Step by Step Solution
- Step 1: Write the proportion equation
11,332,924.65 : 15,639,990.44 = 6,372,927.05 : x - Step 2: Convert to fraction form
11,332,924.65/15,639,990.44 = 6,372,927.05/x - Step 3: Cross multiply
11,332,924.65x = 15,639,990.44 × 6,372,927.05 - Step 4: Simplify right side
11,332,924.65x = 99,672,518,026,752.81 - Step 5: Solve for x
x = 99,672,518,026,752.81/11,332,924.65 - Step 6: Final answer
x = 8,794,951.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.