Finding the Fourth Proportional to 11,416,334.99, 15,756,831.06 and 6,772,697.53
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Solution
The fourth proportional to 11,416,334.99, 15,756,831.06 and 6,772,697.53 is: 9,347,680.40
Step by Step Solution
- Step 1: Write the proportion equation
11,416,334.99 : 15,756,831.06 = 6,772,697.53 : x - Step 2: Convert to fraction form
11,416,334.99/15,756,831.06 = 6,772,697.53/x - Step 3: Cross multiply
11,416,334.99x = 15,756,831.06 × 6,772,697.53 - Step 4: Simplify right side
11,416,334.99x = 106,716,250,800,689.30 - Step 5: Solve for x
x = 106,716,250,800,689.30/11,416,334.99 - Step 6: Final answer
x = 9,347,680.40
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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.