Finding the Fourth Proportional to 29,223,998.76, 40,296,115.50 and 21,858,226.44
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Solution
The fourth proportional to 29,223,998.76, 40,296,115.50 and 21,858,226.44 is: 30,139,667.90
Step by Step Solution
- Step 1: Write the proportion equation
29,223,998.76 : 40,296,115.50 = 21,858,226.44 : x - Step 2: Convert to fraction form
29,223,998.76/40,296,115.50 = 21,858,226.44/x - Step 3: Cross multiply
29,223,998.76x = 40,296,115.50 × 21,858,226.44 - Step 4: Simplify right side
29,223,998.76x = 880,801,617,251,393.88 - Step 5: Solve for x
x = 880,801,617,251,393.88/29,223,998.76 - Step 6: Final answer
x = 30,139,667.90
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1.5x scale
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.