Finding the Fourth Proportional to 12,983,576.70, 19,477,137.37 and 5,408,771.02
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Solution
The fourth proportional to 12,983,576.70, 19,477,137.37 and 5,408,771.02 is: 8,113,894.85
Step by Step Solution
- Step 1: Write the proportion equation
12,983,576.70 : 19,477,137.37 = 5,408,771.02 : x - Step 2: Convert to fraction form
12,983,576.70/19,477,137.37 = 5,408,771.02/x - Step 3: Cross multiply
12,983,576.70x = 19,477,137.37 × 5,408,771.02 - Step 4: Simplify right side
12,983,576.70x = 105,347,376,159,415.02 - Step 5: Solve for x
x = 105,347,376,159,415.02/12,983,576.70 - Step 6: Final answer
x = 8,113,894.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.