Finding the Fourth Proportional to 38,483,015.72, 57,727,218.14 and 15,453,948.84
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Solution
The fourth proportional to 38,483,015.72, 57,727,218.14 and 15,453,948.84 is: 23,182,005.34
Step by Step Solution
- Step 1: Write the proportion equation
38,483,015.72 : 57,727,218.14 = 15,453,948.84 : x - Step 2: Convert to fraction form
38,483,015.72/57,727,218.14 = 15,453,948.84/x - Step 3: Cross multiply
38,483,015.72x = 57,727,218.14 × 15,453,948.84 - Step 4: Simplify right side
38,483,015.72x = 892,113,475,811,080 - Step 5: Solve for x
x = 892,113,475,811,080/38,483,015.72 - Step 6: Final answer
x = 23,182,005.34
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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.