Finding the Fourth Proportional to 7,237,709.28, 10,854,262.96 and 2,378,895.12
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Solution
The fourth proportional to 7,237,709.28, 10,854,262.96 and 2,378,895.12 is: 3,567,586.40
Step by Step Solution
- Step 1: Write the proportion equation
7,237,709.28 : 10,854,262.96 = 2,378,895.12 : x - Step 2: Convert to fraction form
7,237,709.28/10,854,262.96 = 2,378,895.12/x - Step 3: Cross multiply
7,237,709.28x = 10,854,262.96 × 2,378,895.12 - Step 4: Simplify right side
7,237,709.28x = 25,821,153,186,740.76 - Step 5: Solve for x
x = 25,821,153,186,740.76/7,237,709.28 - Step 6: Final answer
x = 3,567,586.40
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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.