Finding the Fourth Proportional to 11,581,569.34, 15,982,859.85 and 6,354,576.12
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Solution
The fourth proportional to 11,581,569.34, 15,982,859.85 and 6,354,576.12 is: 8,769,476.45
Step by Step Solution
- Step 1: Write the proportion equation
11,581,569.34 : 15,982,859.85 = 6,354,576.12 : x - Step 2: Convert to fraction form
11,581,569.34/15,982,859.85 = 6,354,576.12/x - Step 3: Cross multiply
11,581,569.34x = 15,982,859.85 × 6,354,576.12 - Step 4: Simplify right side
11,581,569.34x = 101,564,299,532,116.78 - Step 5: Solve for x
x = 101,564,299,532,116.78/11,581,569.34 - Step 6: Final answer
x = 8,769,476.45
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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.