Finding the Fourth Proportional to 16,625,605.41, 22,959,182.16 and 15,719,842.96
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Solution
The fourth proportional to 16,625,605.41, 22,959,182.16 and 15,719,842.96 is: 21,708,366.65
Step by Step Solution
- Step 1: Write the proportion equation
16,625,605.41 : 22,959,182.16 = 15,719,842.96 : x - Step 2: Convert to fraction form
16,625,605.41/22,959,182.16 = 15,719,842.96/x - Step 3: Cross multiply
16,625,605.41x = 22,959,182.16 × 15,719,842.96 - Step 4: Simplify right side
16,625,605.41x = 360,914,737,987,835.62 - Step 5: Solve for x
x = 360,914,737,987,835.62/16,625,605.41 - Step 6: Final answer
x = 21,708,366.65
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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.