Finding the Fourth Proportional to 22,293,457.70, 33,440,186.55 and 13,335,505.70
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Solution
The fourth proportional to 22,293,457.70, 33,440,186.55 and 13,335,505.70 is: 20,003,258.55
Step by Step Solution
- Step 1: Write the proportion equation
22,293,457.70 : 33,440,186.55 = 13,335,505.70 : x - Step 2: Convert to fraction form
22,293,457.70/33,440,186.55 = 13,335,505.70/x - Step 3: Cross multiply
22,293,457.70x = 33,440,186.55 × 13,335,505.70 - Step 4: Simplify right side
22,293,457.70x = 445,941,798,346,588.31 - Step 5: Solve for x
x = 445,941,798,346,588.31/22,293,457.70 - Step 6: Final answer
x = 20,003,258.55
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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.