Finding the Fourth Proportional to 26,607,452.70, 39,911,179.05 and 20,230,160.70
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Solution
The fourth proportional to 26,607,452.70, 39,911,179.05 and 20,230,160.70 is: 30,345,241.05
Step by Step Solution
- Step 1: Write the proportion equation
26,607,452.70 : 39,911,179.05 = 20,230,160.70 : x - Step 2: Convert to fraction form
26,607,452.70/39,911,179.05 = 20,230,160.70/x - Step 3: Cross multiply
26,607,452.70x = 39,911,179.05 × 20,230,160.70 - Step 4: Simplify right side
26,607,452.70x = 807,409,565,907,973.25 - Step 5: Solve for x
x = 807,409,565,907,973.25/26,607,452.70 - Step 6: Final answer
x = 30,345,241.05
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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.