Finding the Fourth Proportional to 10,188,947.49, 14,080,921.63 and 8,350,506.08
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Solution
The fourth proportional to 10,188,947.49, 14,080,921.63 and 8,350,506.08 is: 11,540,232.37
Step by Step Solution
- Step 1: Write the proportion equation
10,188,947.49 : 14,080,921.63 = 8,350,506.08 : x - Step 2: Convert to fraction form
10,188,947.49/14,080,921.63 = 8,350,506.08/x - Step 3: Cross multiply
10,188,947.49x = 14,080,921.63 × 8,350,506.08 - Step 4: Simplify right side
10,188,947.49x = 117,582,821,641,565.98 - Step 5: Solve for x
x = 117,582,821,641,565.98/10,188,947.49 - Step 6: Final answer
x = 11,540,232.37
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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.