Finding the Fourth Proportional to 38,229,823.80, 57,344,735.70 and 11,303,479.80
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Solution
The fourth proportional to 38,229,823.80, 57,344,735.70 and 11,303,479.80 is: 16,955,219.70
Step by Step Solution
- Step 1: Write the proportion equation
38,229,823.80 : 57,344,735.70 = 11,303,479.80 : x - Step 2: Convert to fraction form
38,229,823.80/57,344,735.70 = 11,303,479.80/x - Step 3: Cross multiply
38,229,823.80x = 57,344,735.70 × 11,303,479.80 - Step 4: Simplify right side
38,229,823.80x = 648,195,061,621,288.88 - Step 5: Solve for x
x = 648,195,061,621,288.88/38,229,823.80 - Step 6: Final answer
x = 16,955,219.70
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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.