Finding the Fourth Proportional to 26,408,194.80, 39,574,967.40 and 16,280,732.40
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Solution
The fourth proportional to 26,408,194.80, 39,574,967.40 and 16,280,732.40 is: 24,398,087.75
Step by Step Solution
- Step 1: Write the proportion equation
26,408,194.80 : 39,574,967.40 = 16,280,732.40 : x - Step 2: Convert to fraction form
26,408,194.80/39,574,967.40 = 16,280,732.40/x - Step 3: Cross multiply
26,408,194.80x = 39,574,967.40 × 16,280,732.40 - Step 4: Simplify right side
26,408,194.80x = 644,309,453,978,123.75 - Step 5: Solve for x
x = 644,309,453,978,123.75/26,408,194.80 - Step 6: Final answer
x = 24,398,087.75
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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.