Finding the Fourth Proportional to 10,291,231.95, 15,416,264.96 and 6,190,289.26
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Solution
The fourth proportional to 10,291,231.95, 15,416,264.96 and 6,190,289.26 is: 9,273,053.02
Step by Step Solution
- Step 1: Write the proportion equation
10,291,231.95 : 15,416,264.96 = 6,190,289.26 : x - Step 2: Convert to fraction form
10,291,231.95/15,416,264.96 = 6,190,289.26/x - Step 3: Cross multiply
10,291,231.95x = 15,416,264.96 × 6,190,289.26 - Step 4: Simplify right side
10,291,231.95x = 95,431,139,429,961.95 - Step 5: Solve for x
x = 95,431,139,429,961.95/10,291,231.95 - Step 6: Final answer
x = 9,273,053.02
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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.