Finding the Fourth Proportional to 16,625,739.99, 22,959,365.97 and 15,719,977.33
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Solution
The fourth proportional to 16,625,739.99, 22,959,365.97 and 15,719,977.33 is: 21,708,550.28
Step by Step Solution
- Step 1: Write the proportion equation
16,625,739.99 : 22,959,365.97 = 15,719,977.33 : x - Step 2: Convert to fraction form
16,625,739.99/22,959,365.97 = 15,719,977.33/x - Step 3: Cross multiply
16,625,739.99x = 22,959,365.97 × 15,719,977.33 - Step 4: Simplify right side
16,625,739.99x = 360,920,712,559,573.44 - Step 5: Solve for x
x = 360,920,712,559,573.44/16,625,739.99 - Step 6: Final answer
x = 21,708,550.28
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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.