Finding the Fourth Proportional to 9,277,640.21, 12,803,844.75 and 5,148,452.99
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Solution
The fourth proportional to 9,277,640.21, 12,803,844.75 and 5,148,452.99 is: 7,105,254.28
Step by Step Solution
- Step 1: Write the proportion equation
9,277,640.21 : 12,803,844.75 = 5,148,452.99 : x - Step 2: Convert to fraction form
9,277,640.21/12,803,844.75 = 5,148,452.99/x - Step 3: Cross multiply
9,277,640.21x = 12,803,844.75 × 5,148,452.99 - Step 4: Simplify right side
9,277,640.21x = 65,919,992,786,633.30 - Step 5: Solve for x
x = 65,919,992,786,633.30/9,277,640.21 - Step 6: Final answer
x = 7,105,254.28
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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.