Finding the Fourth Proportional to 13,306,599.48, 18,363,120.30 and 7,195,026.36
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Solution
The fourth proportional to 13,306,599.48, 18,363,120.30 and 7,195,026.36 is: 9,929,143.42
Step by Step Solution
- Step 1: Write the proportion equation
13,306,599.48 : 18,363,120.30 = 7,195,026.36 : x - Step 2: Convert to fraction form
13,306,599.48/18,363,120.30 = 7,195,026.36/x - Step 3: Cross multiply
13,306,599.48x = 18,363,120.30 × 7,195,026.36 - Step 4: Simplify right side
13,306,599.48x = 132,123,134,610,351.12 - Step 5: Solve for x
x = 132,123,134,610,351.12/13,306,599.48 - Step 6: Final answer
x = 9,929,143.42
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1.5x scale
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.