Finding the Fourth Proportional to 9,727,169.31, 13,423,746.74 and 5,376,324.24
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Solution
The fourth proportional to 9,727,169.31, 13,423,746.74 and 5,376,324.24 is: 7,419,467.34
Step by Step Solution
- Step 1: Write the proportion equation
9,727,169.31 : 13,423,746.74 = 5,376,324.24 : x - Step 2: Convert to fraction form
9,727,169.31/13,423,746.74 = 5,376,324.24/x - Step 3: Cross multiply
9,727,169.31x = 13,423,746.74 × 5,376,324.24 - Step 4: Simplify right side
9,727,169.31x = 72,170,414,963,001.36 - Step 5: Solve for x
x = 72,170,414,963,001.36/9,727,169.31 - Step 6: Final answer
x = 7,419,467.34
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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.