Finding the Fourth Proportional to 11,979,922.74, 17,963,490.83 and 6,216,853.79
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Solution
The fourth proportional to 11,979,922.74, 17,963,490.83 and 6,216,853.79 is: 9,321,962.96
Step by Step Solution
- Step 1: Write the proportion equation
11,979,922.74 : 17,963,490.83 = 6,216,853.79 : x - Step 2: Convert to fraction form
11,979,922.74/17,963,490.83 = 6,216,853.79/x - Step 3: Cross multiply
11,979,922.74x = 17,963,490.83 × 6,216,853.79 - Step 4: Simplify right side
11,979,922.74x = 111,676,396,017,890.31 - Step 5: Solve for x
x = 111,676,396,017,890.31/11,979,922.74 - Step 6: Final answer
x = 9,321,962.96
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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.