Finding the Fourth Proportional to 16,625,738.80, 22,959,364.34 and 15,719,976.14
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Solution
The fourth proportional to 16,625,738.80, 22,959,364.34 and 15,719,976.14 is: 21,708,548.65
Step by Step Solution
- Step 1: Write the proportion equation
16,625,738.80 : 22,959,364.34 = 15,719,976.14 : x - Step 2: Convert to fraction form
16,625,738.80/22,959,364.34 = 15,719,976.14/x - Step 3: Cross multiply
16,625,738.80x = 22,959,364.34 × 15,719,976.14 - Step 4: Simplify right side
16,625,738.80x = 360,920,659,593,165.38 - Step 5: Solve for x
x = 360,920,659,593,165.38/16,625,738.80 - Step 6: Final answer
x = 21,708,548.65
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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.