Finding the Fourth Proportional to 7,269,386.24, 10,031,821.56 and 4,006,318.64
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Solution
The fourth proportional to 7,269,386.24, 10,031,821.56 and 4,006,318.64 is: 5,528,757.50
Step by Step Solution
- Step 1: Write the proportion equation
7,269,386.24 : 10,031,821.56 = 4,006,318.64 : x - Step 2: Convert to fraction form
7,269,386.24/10,031,821.56 = 4,006,318.64/x - Step 3: Cross multiply
7,269,386.24x = 10,031,821.56 × 4,006,318.64 - Step 4: Simplify right side
7,269,386.24x = 40,190,673,708,981.88 - Step 5: Solve for x
x = 40,190,673,708,981.88/7,269,386.24 - Step 6: Final answer
x = 5,528,757.50
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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.