Finding the Fourth Proportional to 40,555,032.99, 60,731,658.01 and 28,367,430.09
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Solution
The fourth proportional to 40,555,032.99, 60,731,658.01 and 28,367,430.09 is: 42,480,573.58
Step by Step Solution
- Step 1: Write the proportion equation
40,555,032.99 : 60,731,658.01 = 28,367,430.09 : x - Step 2: Convert to fraction form
40,555,032.99/60,731,658.01 = 28,367,430.09/x - Step 3: Cross multiply
40,555,032.99x = 60,731,658.01 × 28,367,430.09 - Step 4: Simplify right side
40,555,032.99x = 1,722,801,062,848,463.50 - Step 5: Solve for x
x = 1,722,801,062,848,463.50/40,555,032.99 - Step 6: Final answer
x = 42,480,573.58
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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.