Finding the Fourth Proportional to 11,361,693.54, 15,679,524.02 and 6,719,457.99
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Solution
The fourth proportional to 11,361,693.54, 15,679,524.02 and 6,719,457.99 is: 9,273,080.86
Step by Step Solution
- Step 1: Write the proportion equation
11,361,693.54 : 15,679,524.02 = 6,719,457.99 : x - Step 2: Convert to fraction form
11,361,693.54/15,679,524.02 = 6,719,457.99/x - Step 3: Cross multiply
11,361,693.54x = 15,679,524.02 × 6,719,457.99 - Step 4: Simplify right side
11,361,693.54x = 105,357,902,955,585.92 - Step 5: Solve for x
x = 105,357,902,955,585.92/11,361,693.54 - Step 6: Final answer
x = 9,273,080.86
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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.