Finding the Fourth Proportional to 9,638,882.70, 14,430,330.45 and 9,358,946.70
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Solution
The fourth proportional to 9,638,882.70, 14,430,330.45 and 9,358,946.70 is: 14,011,239.45
Step by Step Solution
- Step 1: Write the proportion equation
9,638,882.70 : 14,430,330.45 = 9,358,946.70 : x - Step 2: Convert to fraction form
9,638,882.70/14,430,330.45 = 9,358,946.70/x - Step 3: Cross multiply
9,638,882.70x = 14,430,330.45 × 9,358,946.70 - Step 4: Simplify right side
9,638,882.70x = 135,052,693,544,937 - Step 5: Solve for x
x = 135,052,693,544,937/9,638,882.70 - Step 6: Final answer
x = 14,011,239.45
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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.