Finding the Fourth Proportional to 8,804,963.80, 13,207,445.70 and 6,395,764.60
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Solution
The fourth proportional to 8,804,963.80, 13,207,445.70 and 6,395,764.60 is: 9,593,646.90
Step by Step Solution
- Step 1: Write the proportion equation
8,804,963.80 : 13,207,445.70 = 6,395,764.60 : x - Step 2: Convert to fraction form
8,804,963.80/13,207,445.70 = 6,395,764.60/x - Step 3: Cross multiply
8,804,963.80x = 13,207,445.70 × 6,395,764.60 - Step 4: Simplify right side
8,804,963.80x = 84,471,713,664,482.20 - Step 5: Solve for x
x = 84,471,713,664,482.20/8,804,963.80 - Step 6: Final answer
x = 9,593,646.90
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.