Finding the Fourth Proportional to 14,847,408.80, 22,271,113.20 and 13,052,319.20
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Solution
The fourth proportional to 14,847,408.80, 22,271,113.20 and 13,052,319.20 is: 19,578,478.80
Step by Step Solution
- Step 1: Write the proportion equation
14,847,408.80 : 22,271,113.20 = 13,052,319.20 : x - Step 2: Convert to fraction form
14,847,408.80/22,271,113.20 = 13,052,319.20/x - Step 3: Cross multiply
14,847,408.80x = 22,271,113.20 × 13,052,319.20 - Step 4: Simplify right side
14,847,408.80x = 290,689,678,425,733.44 - Step 5: Solve for x
x = 290,689,678,425,733.44/14,847,408.80 - Step 6: Final answer
x = 19,578,478.80
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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.