Finding the Fourth Proportional to 29,713,377.88, 40,989,370.62 and 19,406,134.36
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Solution
The fourth proportional to 29,713,377.88, 40,989,370.62 and 19,406,134.36 is: 26,770,609.41
Step by Step Solution
- Step 1: Write the proportion equation
29,713,377.88 : 40,989,370.62 = 19,406,134.36 : x - Step 2: Convert to fraction form
29,713,377.88/40,989,370.62 = 19,406,134.36/x - Step 3: Cross multiply
29,713,377.88x = 40,989,370.62 × 19,406,134.36 - Step 4: Simplify right side
29,713,377.88x = 795,445,233,583,556.38 - Step 5: Solve for x
x = 795,445,233,583,556.38/29,713,377.88 - Step 6: Final answer
x = 26,770,609.41
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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.