Finding the Fourth Proportional to 7,457,661.23, 10,291,470.89 and 4,194,474.66
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Solution
The fourth proportional to 7,457,661.23, 10,291,470.89 and 4,194,474.66 is: 5,788,317.88
Step by Step Solution
- Step 1: Write the proportion equation
7,457,661.23 : 10,291,470.89 = 4,194,474.66 : x - Step 2: Convert to fraction form
7,457,661.23/10,291,470.89 = 4,194,474.66/x - Step 3: Cross multiply
7,457,661.23x = 10,291,470.89 × 4,194,474.66 - Step 4: Simplify right side
7,457,661.23x = 43,167,313,841,260.27 - Step 5: Solve for x
x = 43,167,313,841,260.27/7,457,661.23 - Step 6: Final answer
x = 5,788,317.88
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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.