Finding the Fourth Proportional to 7,450,756.70, 11,167,277.70 and 6,689,024.60
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Solution
The fourth proportional to 7,450,756.70, 11,167,277.70 and 6,689,024.60 is: 10,025,585.09
Step by Step Solution
- Step 1: Write the proportion equation
7,450,756.70 : 11,167,277.70 = 6,689,024.60 : x - Step 2: Convert to fraction form
7,450,756.70/11,167,277.70 = 6,689,024.60/x - Step 3: Cross multiply
7,450,756.70x = 11,167,277.70 × 6,689,024.60 - Step 4: Simplify right side
7,450,756.70x = 74,698,195,250,331.41 - Step 5: Solve for x
x = 74,698,195,250,331.41/7,450,756.70 - Step 6: Final answer
x = 10,025,585.09
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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.