Finding the Fourth Proportional to 11,496,865.14, 15,865,139.70 and 6,598,639.62
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Solution
The fourth proportional to 11,496,865.14, 15,865,139.70 and 6,598,639.62 is: 9,105,816.07
Step by Step Solution
- Step 1: Write the proportion equation
11,496,865.14 : 15,865,139.70 = 6,598,639.62 : x - Step 2: Convert to fraction form
11,496,865.14/15,865,139.70 = 6,598,639.62/x - Step 3: Cross multiply
11,496,865.14x = 15,865,139.70 × 6,598,639.62 - Step 4: Simplify right side
11,496,865.14x = 104,688,339,401,254.91 - Step 5: Solve for x
x = 104,688,339,401,254.91/11,496,865.14 - Step 6: Final answer
x = 9,105,816.07
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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.