Finding the Fourth Proportional to 20,484,673.98, 28,268,880.52 and 11,664,132.44
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Solution
The fourth proportional to 20,484,673.98, 28,268,880.52 and 11,664,132.44 is: 16,096,520.09
Step by Step Solution
- Step 1: Write the proportion equation
20,484,673.98 : 28,268,880.52 = 11,664,132.44 : x - Step 2: Convert to fraction form
20,484,673.98/28,268,880.52 = 11,664,132.44/x - Step 3: Cross multiply
20,484,673.98x = 28,268,880.52 × 11,664,132.44 - Step 4: Simplify right side
20,484,673.98x = 329,731,966,315,816.06 - Step 5: Solve for x
x = 329,731,966,315,816.06/20,484,673.98 - Step 6: Final answer
x = 16,096,520.09
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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.