Finding the Fourth Proportional to 22,472,487.12, 33,709,711.74 and 7,120,908.12
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Solution
The fourth proportional to 22,472,487.12, 33,709,711.74 and 7,120,908.12 is: 10,681,673.05
Step by Step Solution
- Step 1: Write the proportion equation
22,472,487.12 : 33,709,711.74 = 7,120,908.12 : x - Step 2: Convert to fraction form
22,472,487.12/33,709,711.74 = 7,120,908.12/x - Step 3: Cross multiply
22,472,487.12x = 33,709,711.74 × 7,120,908.12 - Step 4: Simplify right side
22,472,487.12x = 240,043,760,052,225.34 - Step 5: Solve for x
x = 240,043,760,052,225.34/22,472,487.12 - Step 6: Final answer
x = 10,681,673.05
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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.