Finding the Fourth Proportional to 9,585,940.70, 14,378,911.05 and 7,444,430.30
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Solution
The fourth proportional to 9,585,940.70, 14,378,911.05 and 7,444,430.30 is: 11,166,645.45
Step by Step Solution
- Step 1: Write the proportion equation
9,585,940.70 : 14,378,911.05 = 7,444,430.30 : x - Step 2: Convert to fraction form
9,585,940.70/14,378,911.05 = 7,444,430.30/x - Step 3: Cross multiply
9,585,940.70x = 14,378,911.05 × 7,444,430.30 - Step 4: Simplify right side
9,585,940.70x = 107,042,801,101,624.81 - Step 5: Solve for x
x = 107,042,801,101,624.81/9,585,940.70 - Step 6: Final answer
x = 11,166,645.45
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1.5x scale
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.