Finding the Fourth Proportional to 20,402,090.70, 30,595,991.85 and 6,021,350.70
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Solution
The fourth proportional to 20,402,090.70, 30,595,991.85 and 6,021,350.70 is: 9,029,917.55
Step by Step Solution
- Step 1: Write the proportion equation
20,402,090.70 : 30,595,991.85 = 6,021,350.70 : x - Step 2: Convert to fraction form
20,402,090.70/30,595,991.85 = 6,021,350.70/x - Step 3: Cross multiply
20,402,090.70x = 30,595,991.85 × 6,021,350.70 - Step 4: Simplify right side
20,402,090.70x = 184,229,196,943,191.81 - Step 5: Solve for x
x = 184,229,196,943,191.81/20,402,090.70 - Step 6: Final answer
x = 9,029,917.55
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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.