Finding the Fourth Proportional to 10,624,709.99, 15,854,199.92 and 9,479,600.43
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Solution
The fourth proportional to 10,624,709.99, 15,854,199.92 and 9,479,600.43 is: 14,145,466.62
Step by Step Solution
- Step 1: Write the proportion equation
10,624,709.99 : 15,854,199.92 = 9,479,600.43 : x - Step 2: Convert to fraction form
10,624,709.99/15,854,199.92 = 9,479,600.43/x - Step 3: Cross multiply
10,624,709.99x = 15,854,199.92 × 9,479,600.43 - Step 4: Simplify right side
10,624,709.99x = 150,291,480,402,636.97 - Step 5: Solve for x
x = 150,291,480,402,636.97/10,624,709.99 - Step 6: Final answer
x = 14,145,466.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.