Finding the Fourth Proportional to 7,836,267.70, 11,754,401.55 and 6,576,555.70
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Solution
The fourth proportional to 7,836,267.70, 11,754,401.55 and 6,576,555.70 is: 9,864,833.55
Step by Step Solution
- Step 1: Write the proportion equation
7,836,267.70 : 11,754,401.55 = 6,576,555.70 : x - Step 2: Convert to fraction form
7,836,267.70/11,754,401.55 = 6,576,555.70/x - Step 3: Cross multiply
7,836,267.70x = 11,754,401.55 × 6,576,555.70 - Step 4: Simplify right side
7,836,267.70x = 77,303,476,513,741.34 - Step 5: Solve for x
x = 77,303,476,513,741.34/7,836,267.70 - Step 6: Final answer
x = 9,864,833.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.