Finding the Fourth Proportional to 20,060,151.84, 30,069,228.53 and 8,395,207.05
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Solution
The fourth proportional to 20,060,151.84, 30,069,228.53 and 8,395,207.05 is: 12,584,022.36
Step by Step Solution
- Step 1: Write the proportion equation
20,060,151.84 : 30,069,228.53 = 8,395,207.05 : x - Step 2: Convert to fraction form
20,060,151.84/30,069,228.53 = 8,395,207.05/x - Step 3: Cross multiply
20,060,151.84x = 30,069,228.53 × 8,395,207.05 - Step 4: Simplify right side
20,060,151.84x = 252,437,399,301,141.12 - Step 5: Solve for x
x = 252,437,399,301,141.12/20,060,151.84 - Step 6: Final answer
x = 12,584,022.36
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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.