Finding the Fourth Proportional to 10,107,961.97, 13,955,720.67 and 5,979,319.45
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Solution
The fourth proportional to 10,107,961.97, 13,955,720.67 and 5,979,319.45 is: 8,255,443.80
Step by Step Solution
- Step 1: Write the proportion equation
10,107,961.97 : 13,955,720.67 = 5,979,319.45 : x - Step 2: Convert to fraction form
10,107,961.97/13,955,720.67 = 5,979,319.45/x - Step 3: Cross multiply
10,107,961.97x = 13,955,720.67 × 5,979,319.45 - Step 4: Simplify right side
10,107,961.97x = 83,445,712,053,364.88 - Step 5: Solve for x
x = 83,445,712,053,364.88/10,107,961.97 - Step 6: Final answer
x = 8,255,443.80
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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.