Finding the Fourth Proportional to 13,582,249.74, 18,743,109.75 and 7,470,676.62
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Solution
The fourth proportional to 13,582,249.74, 18,743,109.75 and 7,470,676.62 is: 10,309,316.53
Step by Step Solution
- Step 1: Write the proportion equation
13,582,249.74 : 18,743,109.75 = 7,470,676.62 : x - Step 2: Convert to fraction form
13,582,249.74/18,743,109.75 = 7,470,676.62/x - Step 3: Cross multiply
13,582,249.74x = 18,743,109.75 × 7,470,676.62 - Step 4: Simplify right side
13,582,249.74x = 140,023,711,795,419.05 - Step 5: Solve for x
x = 140,023,711,795,419.05/13,582,249.74 - Step 6: Final answer
x = 10,309,316.53
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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.