Finding the Fourth Proportional to 8,820,789.16, 12,173,293.70 and 4,901,017.99
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Solution
The fourth proportional to 8,820,789.16, 12,173,293.70 and 4,901,017.99 is: 6,763,740.78
Step by Step Solution
- Step 1: Write the proportion equation
8,820,789.16 : 12,173,293.70 = 4,901,017.99 : x - Step 2: Convert to fraction form
8,820,789.16/12,173,293.70 = 4,901,017.99/x - Step 3: Cross multiply
8,820,789.16x = 12,173,293.70 × 4,901,017.99 - Step 4: Simplify right side
8,820,789.16x = 59,661,531,396,748.58 - Step 5: Solve for x
x = 59,661,531,396,748.58/8,820,789.16 - Step 6: Final answer
x = 6,763,740.78
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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.