Finding the Fourth Proportional to 7,029,461.99, 10,540,401.33 and 3,189,188.81
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Solution
The fourth proportional to 7,029,461.99, 10,540,401.33 and 3,189,188.81 is: 4,782,062.98
Step by Step Solution
- Step 1: Write the proportion equation
7,029,461.99 : 10,540,401.33 = 3,189,188.81 : x - Step 2: Convert to fraction form
7,029,461.99/10,540,401.33 = 3,189,188.81/x - Step 3: Cross multiply
7,029,461.99x = 10,540,401.33 × 3,189,188.81 - Step 4: Simplify right side
7,029,461.99x = 33,615,329,974,545.12 - Step 5: Solve for x
x = 33,615,329,974,545.12/7,029,461.99 - Step 6: Final answer
x = 4,782,062.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.