Finding the Fourth Proportional to 10,239,362.58, 14,130,319.82 and 5,529,757.68
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Solution
The fourth proportional to 10,239,362.58, 14,130,319.82 and 5,529,757.68 is: 7,631,065.31
Step by Step Solution
- Step 1: Write the proportion equation
10,239,362.58 : 14,130,319.82 = 5,529,757.68 : x - Step 2: Convert to fraction form
10,239,362.58/14,130,319.82 = 5,529,757.68/x - Step 3: Cross multiply
10,239,362.58x = 14,130,319.82 × 5,529,757.68 - Step 4: Simplify right side
10,239,362.58x = 78,137,244,545,501.22 - Step 5: Solve for x
x = 78,137,244,545,501.22/10,239,362.58 - Step 6: Final answer
x = 7,631,065.31
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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.