Finding the Fourth Proportional to 7,115,015.36, 10,672,484.70 and 1,723,663.05
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Solution
The fourth proportional to 7,115,015.36, 10,672,484.70 and 1,723,663.05 is: 2,585,485.29
Step by Step Solution
- Step 1: Write the proportion equation
7,115,015.36 : 10,672,484.70 = 1,723,663.05 : x - Step 2: Convert to fraction form
7,115,015.36/10,672,484.70 = 1,723,663.05/x - Step 3: Cross multiply
7,115,015.36x = 10,672,484.70 × 1,723,663.05 - Step 4: Simplify right side
7,115,015.36x = 18,395,767,529,080.34 - Step 5: Solve for x
x = 18,395,767,529,080.34/7,115,015.36 - Step 6: Final answer
x = 2,585,485.29
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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.