Finding the Fourth Proportional to 27,957,303.46, 38,592,982.47 and 18,795,260.62
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Solution
The fourth proportional to 27,957,303.46, 38,592,982.47 and 18,795,260.62 is: 25,945,462.32
Step by Step Solution
- Step 1: Write the proportion equation
27,957,303.46 : 38,592,982.47 = 18,795,260.62 : x - Step 2: Convert to fraction form
27,957,303.46/38,592,982.47 = 18,795,260.62/x - Step 3: Cross multiply
27,957,303.46x = 38,592,982.47 × 18,795,260.62 - Step 4: Simplify right side
27,957,303.46x = 725,365,163,626,741.38 - Step 5: Solve for x
x = 725,365,163,626,741.38/27,957,303.46 - Step 6: Final answer
x = 25,945,462.32
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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.