Finding the Fourth Proportional to 29,115,434.76, 43,669,357.29 and 8,644,742.70
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Solution
The fourth proportional to 29,115,434.76, 43,669,357.29 and 8,644,742.70 is: 12,965,987.31
Step by Step Solution
- Step 1: Write the proportion equation
29,115,434.76 : 43,669,357.29 = 8,644,742.70 : x - Step 2: Convert to fraction form
29,115,434.76/43,669,357.29 = 8,644,742.70/x - Step 3: Cross multiply
29,115,434.76x = 43,669,357.29 × 8,644,742.70 - Step 4: Simplify right side
29,115,434.76x = 377,510,357,646,419.25 - Step 5: Solve for x
x = 377,510,357,646,419.25/29,115,434.76 - Step 6: Final answer
x = 12,965,987.31
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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.