Finding the Fourth Proportional to 16,398,533.80, 24,539,739.90 and 14,291,756.20
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Solution
The fourth proportional to 16,398,533.80, 24,539,739.90 and 14,291,756.20 is: 21,387,032.78
Step by Step Solution
- Step 1: Write the proportion equation
16,398,533.80 : 24,539,739.90 = 14,291,756.20 : x - Step 2: Convert to fraction form
16,398,533.80/24,539,739.90 = 14,291,756.20/x - Step 3: Cross multiply
16,398,533.80x = 24,539,739.90 × 14,291,756.20 - Step 4: Simplify right side
16,398,533.80x = 350,715,979,862,212.31 - Step 5: Solve for x
x = 350,715,979,862,212.31/16,398,533.80 - Step 6: Final answer
x = 21,387,032.78
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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.