Finding the Fourth Proportional to 10,146,360.26, 14,001,995.84 and 5,500,130.92
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Solution
The fourth proportional to 10,146,360.26, 14,001,995.84 and 5,500,130.92 is: 7,590,190.80
Step by Step Solution
- Step 1: Write the proportion equation
10,146,360.26 : 14,001,995.84 = 5,500,130.92 : x - Step 2: Convert to fraction form
10,146,360.26/14,001,995.84 = 5,500,130.92/x - Step 3: Cross multiply
10,146,360.26x = 14,001,995.84 × 5,500,130.92 - Step 4: Simplify right side
10,146,360.26x = 77,012,810,261,295.38 - Step 5: Solve for x
x = 77,012,810,261,295.38/10,146,360.26 - Step 6: Final answer
x = 7,590,190.80
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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.