Finding the Fourth Proportional to 22,740,090.80, 31,384,525.80 and 14,477,513.68
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Solution
The fourth proportional to 22,740,090.80, 31,384,525.80 and 14,477,513.68 is: 19,981,006.48
Step by Step Solution
- Step 1: Write the proportion equation
22,740,090.80 : 31,384,525.80 = 14,477,513.68 : x - Step 2: Convert to fraction form
22,740,090.80/31,384,525.80 = 14,477,513.68/x - Step 3: Cross multiply
22,740,090.80x = 31,384,525.80 × 14,477,513.68 - Step 4: Simplify right side
22,740,090.80x = 454,369,901,609,812.94 - Step 5: Solve for x
x = 454,369,901,609,812.94/22,740,090.80 - Step 6: Final answer
x = 19,981,006.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.