Finding the Fourth Proportional to 22,428,730.13, 33,643,095.24 and 5,389,403.09
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Solution
The fourth proportional to 22,428,730.13, 33,643,095.24 and 5,389,403.09 is: 8,084,104.65
Step by Step Solution
- Step 1: Write the proportion equation
22,428,730.13 : 33,643,095.24 = 5,389,403.09 : x - Step 2: Convert to fraction form
22,428,730.13/33,643,095.24 = 5,389,403.09/x - Step 3: Cross multiply
22,428,730.13x = 33,643,095.24 × 5,389,403.09 - Step 4: Simplify right side
22,428,730.13x = 181,316,201,443,620.31 - Step 5: Solve for x
x = 181,316,201,443,620.31/22,428,730.13 - Step 6: Final answer
x = 8,084,104.65
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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.