Finding the Fourth Proportional to 34,899,809.23, 48,149,270.40 and 20,207,455.75
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Solution
The fourth proportional to 34,899,809.23, 48,149,270.40 and 20,207,455.75 is: 27,879,070.76
Step by Step Solution
- Step 1: Write the proportion equation
34,899,809.23 : 48,149,270.40 = 20,207,455.75 : x - Step 2: Convert to fraction form
34,899,809.23/48,149,270.40 = 20,207,455.75/x - Step 3: Cross multiply
34,899,809.23x = 48,149,270.40 × 20,207,455.75 - Step 4: Simplify right side
34,899,809.23x = 972,974,251,002,784.75 - Step 5: Solve for x
x = 972,974,251,002,784.75/34,899,809.23 - Step 6: Final answer
x = 27,879,070.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.