Finding the Fourth Proportional to 16,129,939.60, 24,194,909.40 and 16,017,965.20
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Solution
The fourth proportional to 16,129,939.60, 24,194,909.40 and 16,017,965.20 is: 24,026,947.80
Step by Step Solution
- Step 1: Write the proportion equation
16,129,939.60 : 24,194,909.40 = 16,017,965.20 : x - Step 2: Convert to fraction form
16,129,939.60/24,194,909.40 = 16,017,965.20/x - Step 3: Cross multiply
16,129,939.60x = 24,194,909.40 × 16,017,965.20 - Step 4: Simplify right side
16,129,939.60x = 387,553,216,786,352.81 - Step 5: Solve for x
x = 387,553,216,786,352.81/16,129,939.60 - Step 6: Final answer
x = 24,026,947.80
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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.