Finding the Fourth Proportional to 14,467,916.53, 19,956,642.99 and 8,583,384.60
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Solution
The fourth proportional to 14,467,916.53, 19,956,642.99 and 8,583,384.60 is: 11,839,682.76
Step by Step Solution
- Step 1: Write the proportion equation
14,467,916.53 : 19,956,642.99 = 8,583,384.60 : x - Step 2: Convert to fraction form
14,467,916.53/19,956,642.99 = 8,583,384.60/x - Step 3: Cross multiply
14,467,916.53x = 19,956,642.99 × 8,583,384.60 - Step 4: Simplify right side
14,467,916.53x = 171,295,542,041,984.25 - Step 5: Solve for x
x = 171,295,542,041,984.25/14,467,916.53 - Step 6: Final answer
x = 11,839,682.76
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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.