Finding the Fourth Proportional to 7,457,147.36, 11,183,903.40 and 2,065,657.76
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Solution
The fourth proportional to 7,457,147.36, 11,183,903.40 and 2,065,657.76 is: 3,097,983.15
Step by Step Solution
- Step 1: Write the proportion equation
7,457,147.36 : 11,183,903.40 = 2,065,657.76 : x - Step 2: Convert to fraction form
7,457,147.36/11,183,903.40 = 2,065,657.76/x - Step 3: Cross multiply
7,457,147.36x = 11,183,903.40 × 2,065,657.76 - Step 4: Simplify right side
7,457,147.36x = 23,102,116,845,300.39 - Step 5: Solve for x
x = 23,102,116,845,300.39/7,457,147.36 - Step 6: Final answer
x = 3,097,983.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.