Finding the Fourth Proportional to 9,861,112.10, 13,609,686.46 and 5,674,710.99
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Solution
The fourth proportional to 9,861,112.10, 13,609,686.46 and 5,674,710.99 is: 7,831,879.06
Step by Step Solution
- Step 1: Write the proportion equation
9,861,112.10 : 13,609,686.46 = 5,674,710.99 : x - Step 2: Convert to fraction form
9,861,112.10/13,609,686.46 = 5,674,710.99/x - Step 3: Cross multiply
9,861,112.10x = 13,609,686.46 × 5,674,710.99 - Step 4: Simplify right side
9,861,112.10x = 77,231,037,310,829.42 - Step 5: Solve for x
x = 77,231,037,310,829.42/9,861,112.10 - Step 6: Final answer
x = 7,831,879.06
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.