Finding the Fourth Proportional to 26,245,207.40, 39,367,811.10 and 19,442,762.60
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Solution
The fourth proportional to 26,245,207.40, 39,367,811.10 and 19,442,762.60 is: 29,164,143.90
Step by Step Solution
- Step 1: Write the proportion equation
26,245,207.40 : 39,367,811.10 = 19,442,762.60 : x - Step 2: Convert to fraction form
26,245,207.40/39,367,811.10 = 19,442,762.60/x - Step 3: Cross multiply
26,245,207.40x = 39,367,811.10 × 19,442,762.60 - Step 4: Simplify right side
26,245,207.40x = 765,419,005,298,945 - Step 5: Solve for x
x = 765,419,005,298,945/26,245,207.40 - Step 6: Final answer
x = 29,164,143.90
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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.