Finding the Fourth Proportional to 14,812,466.08, 20,440,238.16 and 8,284,963.36
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Solution
The fourth proportional to 14,812,466.08, 20,440,238.16 and 8,284,963.36 is: 11,432,709.67
Step by Step Solution
- Step 1: Write the proportion equation
14,812,466.08 : 20,440,238.16 = 8,284,963.36 : x - Step 2: Convert to fraction form
14,812,466.08/20,440,238.16 = 8,284,963.36/x - Step 3: Cross multiply
14,812,466.08x = 20,440,238.16 × 8,284,963.36 - Step 4: Simplify right side
14,812,466.08x = 169,346,624,225,273.81 - Step 5: Solve for x
x = 169,346,624,225,273.81/14,812,466.08 - Step 6: Final answer
x = 11,432,709.67
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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.