Finding the Fourth Proportional to 10,352,311.70, 15,528,467.55 and 4,683,607.70
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Solution
The fourth proportional to 10,352,311.70, 15,528,467.55 and 4,683,607.70 is: 7,025,411.55
Step by Step Solution
- Step 1: Write the proportion equation
10,352,311.70 : 15,528,467.55 = 4,683,607.70 : x - Step 2: Convert to fraction form
10,352,311.70/15,528,467.55 = 4,683,607.70/x - Step 3: Cross multiply
10,352,311.70x = 15,528,467.55 × 4,683,607.70 - Step 4: Simplify right side
10,352,311.70x = 72,729,250,186,380.14 - Step 5: Solve for x
x = 72,729,250,186,380.14/10,352,311.70 - Step 6: Final answer
x = 7,025,411.55
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1.5x scale
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.