Finding the Fourth Proportional to 29,781,557.80, 44,672,336.70 and 18,444,149.80
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Solution
The fourth proportional to 29,781,557.80, 44,672,336.70 and 18,444,149.80 is: 27,666,224.70
Step by Step Solution
- Step 1: Write the proportion equation
29,781,557.80 : 44,672,336.70 = 18,444,149.80 : x - Step 2: Convert to fraction form
29,781,557.80/44,672,336.70 = 18,444,149.80/x - Step 3: Cross multiply
29,781,557.80x = 44,672,336.70 × 18,444,149.80 - Step 4: Simplify right side
29,781,557.80x = 823,943,270,010,837.75 - Step 5: Solve for x
x = 823,943,270,010,837.75/29,781,557.80 - Step 6: Final answer
x = 27,666,224.70
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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.