Finding the Fourth Proportional to 18,723,209.60, 28,053,321.60 and 16,014,828.80
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Solution
The fourth proportional to 18,723,209.60, 28,053,321.60 and 16,014,828.80 is: 23,995,305.95
Step by Step Solution
- Step 1: Write the proportion equation
18,723,209.60 : 28,053,321.60 = 16,014,828.80 : x - Step 2: Convert to fraction form
18,723,209.60/28,053,321.60 = 16,014,828.80/x - Step 3: Cross multiply
18,723,209.60x = 28,053,321.60 × 16,014,828.80 - Step 4: Simplify right side
18,723,209.60x = 449,269,142,695,342.12 - Step 5: Solve for x
x = 449,269,142,695,342.12/18,723,209.60 - Step 6: Final answer
x = 23,995,305.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.