Finding the Fourth Proportional to 19,014,761.70, 28,521,883.35 and 6,235,683.30
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Solution
The fourth proportional to 19,014,761.70, 28,521,883.35 and 6,235,683.30 is: 9,353,439.95
Step by Step Solution
- Step 1: Write the proportion equation
19,014,761.70 : 28,521,883.35 = 6,235,683.30 : x - Step 2: Convert to fraction form
19,014,761.70/28,521,883.35 = 6,235,683.30/x - Step 3: Cross multiply
19,014,761.70x = 28,521,883.35 × 6,235,683.30 - Step 4: Simplify right side
19,014,761.70x = 177,853,431,690,143.06 - Step 5: Solve for x
x = 177,853,431,690,143.06/19,014,761.70 - Step 6: Final answer
x = 9,353,439.95
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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.