Finding the Fourth Proportional to 7,020,899.68, 9,651,643.28 and 6,037,236.40
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Solution
The fourth proportional to 7,020,899.68, 9,651,643.28 and 6,037,236.40 is: 8,299,399.62
Step by Step Solution
- Step 1: Write the proportion equation
7,020,899.68 : 9,651,643.28 = 6,037,236.40 : x - Step 2: Convert to fraction form
7,020,899.68/9,651,643.28 = 6,037,236.40/x - Step 3: Cross multiply
7,020,899.68x = 9,651,643.28 × 6,037,236.40 - Step 4: Simplify right side
7,020,899.68x = 58,269,252,129,831.39 - Step 5: Solve for x
x = 58,269,252,129,831.39/7,020,899.68 - Step 6: Final answer
x = 8,299,399.62
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.