Finding the Fourth Proportional to 7,408,972.80, 11,120,457.60 and 4,574,620.80
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Solution
The fourth proportional to 7,408,972.80, 11,120,457.60 and 4,574,620.80 is: 6,866,252.32
Step by Step Solution
- Step 1: Write the proportion equation
7,408,972.80 : 11,120,457.60 = 4,574,620.80 : x - Step 2: Convert to fraction form
7,408,972.80/11,120,457.60 = 4,574,620.80/x - Step 3: Cross multiply
7,408,972.80x = 11,120,457.60 × 4,574,620.80 - Step 4: Simplify right side
7,408,972.80x = 50,871,876,642,478.08 - Step 5: Solve for x
x = 50,871,876,642,478.08/7,408,972.80 - Step 6: Final answer
x = 6,866,252.32
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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.