Finding the Fourth Proportional to 13,063,064.76, 18,027,160.81 and 7,183,009.08
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Solution
The fourth proportional to 13,063,064.76, 18,027,160.81 and 7,183,009.08 is: 9,912,624.80
Step by Step Solution
- Step 1: Write the proportion equation
13,063,064.76 : 18,027,160.81 = 7,183,009.08 : x - Step 2: Convert to fraction form
13,063,064.76/18,027,160.81 = 7,183,009.08/x - Step 3: Cross multiply
13,063,064.76x = 18,027,160.81 × 7,183,009.08 - Step 4: Simplify right side
13,063,064.76x = 129,489,259,766,892.64 - Step 5: Solve for x
x = 129,489,259,766,892.64/13,063,064.76 - Step 6: Final answer
x = 9,912,624.80
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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.