Finding the Fourth Proportional to 14,672,962.40, 22,019,941.20 and 6,159,408.80
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Solution
The fourth proportional to 14,672,962.40, 22,019,941.20 and 6,159,408.80 is: 9,243,519.88
Step by Step Solution
- Step 1: Write the proportion equation
14,672,962.40 : 22,019,941.20 = 6,159,408.80 : x - Step 2: Convert to fraction form
14,672,962.40/22,019,941.20 = 6,159,408.80/x - Step 3: Cross multiply
14,672,962.40x = 22,019,941.20 × 6,159,408.80 - Step 4: Simplify right side
14,672,962.40x = 135,629,819,602,762.55 - Step 5: Solve for x
x = 135,629,819,602,762.55/14,672,962.40 - Step 6: Final answer
x = 9,243,519.88
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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.