Finding the Fourth Proportional to 10,362,658.60, 15,543,987.90 and 3,630,197.80
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Solution
The fourth proportional to 10,362,658.60, 15,543,987.90 and 3,630,197.80 is: 5,445,296.70
Step by Step Solution
- Step 1: Write the proportion equation
10,362,658.60 : 15,543,987.90 = 3,630,197.80 : x - Step 2: Convert to fraction form
10,362,658.60/15,543,987.90 = 3,630,197.80/x - Step 3: Cross multiply
10,362,658.60x = 15,543,987.90 × 3,630,197.80 - Step 4: Simplify right side
10,362,658.60x = 56,427,750,677,806.62 - Step 5: Solve for x
x = 56,427,750,677,806.62/10,362,658.60 - Step 6: Final answer
x = 5,445,296.70
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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.