Finding the Fourth Proportional to 5,571,403.20, 8,357,104.80 and 5,093,106.30
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Solution
The fourth proportional to 5,571,403.20, 8,357,104.80 and 5,093,106.30 is: 7,639,659.45
Step by Step Solution
- Step 1: Write the proportion equation
5,571,403.20 : 8,357,104.80 = 5,093,106.30 : x - Step 2: Convert to fraction form
5,571,403.20/8,357,104.80 = 5,093,106.30/x - Step 3: Cross multiply
5,571,403.20x = 8,357,104.80 × 5,093,106.30 - Step 4: Simplify right side
5,571,403.20x = 42,563,623,106,640.23 - Step 5: Solve for x
x = 42,563,623,106,640.23/5,571,403.20 - Step 6: Final answer
x = 7,639,659.45
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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.