Finding the Fourth Proportional to 19,223,699.38, 26,528,785.99 and 10,403,151.07
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Solution
The fourth proportional to 19,223,699.38, 26,528,785.99 and 10,403,151.07 is: 14,356,392.23
Step by Step Solution
- Step 1: Write the proportion equation
19,223,699.38 : 26,528,785.99 = 10,403,151.07 : x - Step 2: Convert to fraction form
19,223,699.38/26,528,785.99 = 10,403,151.07/x - Step 3: Cross multiply
19,223,699.38x = 26,528,785.99 × 10,403,151.07 - Step 4: Simplify right side
19,223,699.38x = 275,982,968,448,224.31 - Step 5: Solve for x
x = 275,982,968,448,224.31/19,223,699.38 - Step 6: Final answer
x = 14,356,392.23
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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.