Finding the Fourth Proportional to 14,119,278.21, 19,483,785.36 and 7,923,746.41
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Solution
The fourth proportional to 14,119,278.21, 19,483,785.36 and 7,923,746.41 is: 10,934,310.66
Step by Step Solution
- Step 1: Write the proportion equation
14,119,278.21 : 19,483,785.36 = 7,923,746.41 : x - Step 2: Convert to fraction form
14,119,278.21/19,483,785.36 = 7,923,746.41/x - Step 3: Cross multiply
14,119,278.21x = 19,483,785.36 × 7,923,746.41 - Step 4: Simplify right side
14,119,278.21x = 154,384,574,299,510.56 - Step 5: Solve for x
x = 154,384,574,299,510.56/14,119,278.21 - Step 6: Final answer
x = 10,934,310.66
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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.