Finding the Fourth Proportional to 19,408,227.40, 29,112,341.10 and 13,361,609.80
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Solution
The fourth proportional to 19,408,227.40, 29,112,341.10 and 13,361,609.80 is: 20,042,414.70
Step by Step Solution
- Step 1: Write the proportion equation
19,408,227.40 : 29,112,341.10 = 13,361,609.80 : x - Step 2: Convert to fraction form
19,408,227.40/29,112,341.10 = 13,361,609.80/x - Step 3: Cross multiply
19,408,227.40x = 29,112,341.10 × 13,361,609.80 - Step 4: Simplify right side
19,408,227.40x = 388,987,742,142,702.81 - Step 5: Solve for x
x = 388,987,742,142,702.81/19,408,227.40 - Step 6: Final answer
x = 20,042,414.70
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1.5x scale
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.