Finding the Fourth Proportional to 8,195,898.84, 11,299,825.98 and 6,720,371.16
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Solution
The fourth proportional to 8,195,898.84, 11,299,825.98 and 6,720,371.16 is: 9,265,490.72
Step by Step Solution
- Step 1: Write the proportion equation
8,195,898.84 : 11,299,825.98 = 6,720,371.16 : x - Step 2: Convert to fraction form
8,195,898.84/11,299,825.98 = 6,720,371.16/x - Step 3: Cross multiply
8,195,898.84x = 11,299,825.98 × 6,720,371.16 - Step 4: Simplify right side
8,195,898.84x = 75,939,024,629,010.73 - Step 5: Solve for x
x = 75,939,024,629,010.73/8,195,898.84 - Step 6: Final answer
x = 9,265,490.72
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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.