Finding the Fourth Proportional to 8,422,851.98, 11,623,535.80 and 4,555,373.18
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Solution
The fourth proportional to 8,422,851.98, 11,623,535.80 and 4,555,373.18 is: 6,286,415.02
Step by Step Solution
- Step 1: Write the proportion equation
8,422,851.98 : 11,623,535.80 = 4,555,373.18 : x - Step 2: Convert to fraction form
8,422,851.98/11,623,535.80 = 4,555,373.18/x - Step 3: Cross multiply
8,422,851.98x = 11,623,535.80 × 4,555,373.18 - Step 4: Simplify right side
8,422,851.98x = 52,949,543,240,089.84 - Step 5: Solve for x
x = 52,949,543,240,089.84/8,422,851.98 - Step 6: Final answer
x = 6,286,415.02
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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.