Finding the Fourth Proportional to 39,772,506.88, 54,879,735.51 and 22,365,490.44
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Solution
The fourth proportional to 39,772,506.88, 54,879,735.51 and 22,365,490.44 is: 30,860,820.61
Step by Step Solution
- Step 1: Write the proportion equation
39,772,506.88 : 54,879,735.51 = 22,365,490.44 : x - Step 2: Convert to fraction form
39,772,506.88/54,879,735.51 = 22,365,490.44/x - Step 3: Cross multiply
39,772,506.88x = 54,879,735.51 × 22,365,490.44 - Step 4: Simplify right side
39,772,506.88x = 1,227,412,199,898,633.50 - Step 5: Solve for x
x = 1,227,412,199,898,633.50/39,772,506.88 - Step 6: Final answer
x = 30,860,820.61
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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.