Finding the Fourth Proportional to 8,000,207.74, 12,000,317.47 and 1,934,945.31
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Solution
The fourth proportional to 8,000,207.74, 12,000,317.47 and 1,934,945.31 is: 2,902,419.39
Step by Step Solution
- Step 1: Write the proportion equation
8,000,207.74 : 12,000,317.47 = 1,934,945.31 : x - Step 2: Convert to fraction form
8,000,207.74/12,000,317.47 = 1,934,945.31/x - Step 3: Cross multiply
8,000,207.74x = 12,000,317.47 × 1,934,945.31 - Step 4: Simplify right side
8,000,207.74x = 23,219,958,047,251.39 - Step 5: Solve for x
x = 23,219,958,047,251.39/8,000,207.74 - Step 6: Final answer
x = 2,902,419.39
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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.