Finding the Fourth Proportional to 15,013,203.18, 22,519,806.83 and 3,653,651.81
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Solution
The fourth proportional to 15,013,203.18, 22,519,806.83 and 3,653,651.81 is: 5,480,478.21
Step by Step Solution
- Step 1: Write the proportion equation
15,013,203.18 : 22,519,806.83 = 3,653,651.81 : x - Step 2: Convert to fraction form
15,013,203.18/22,519,806.83 = 3,653,651.81/x - Step 3: Cross multiply
15,013,203.18x = 22,519,806.83 × 3,653,651.81 - Step 4: Simplify right side
15,013,203.18x = 82,279,532,854,412.56 - Step 5: Solve for x
x = 82,279,532,854,412.56/15,013,203.18 - Step 6: Final answer
x = 5,480,478.21
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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.