Finding the Fourth Proportional to 26,943,771.60, 40,415,657.40 and 16,194,229.20
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Solution
The fourth proportional to 26,943,771.60, 40,415,657.40 and 16,194,229.20 is: 24,291,343.80
Step by Step Solution
- Step 1: Write the proportion equation
26,943,771.60 : 40,415,657.40 = 16,194,229.20 : x - Step 2: Convert to fraction form
26,943,771.60/40,415,657.40 = 16,194,229.20/x - Step 3: Cross multiply
26,943,771.60x = 40,415,657.40 × 16,194,229.20 - Step 4: Simplify right side
26,943,771.60x = 654,500,419,204,276 - Step 5: Solve for x
x = 654,500,419,204,276/26,943,771.60 - Step 6: Final answer
x = 24,291,343.80
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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.