Finding the Fourth Proportional to 26,214,344.40, 39,405,497.40 and 18,693,397.20
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Solution
The fourth proportional to 26,214,344.40, 39,405,497.40 and 18,693,397.20 is: 28,099,982.34
Step by Step Solution
- Step 1: Write the proportion equation
26,214,344.40 : 39,405,497.40 = 18,693,397.20 : x - Step 2: Convert to fraction form
26,214,344.40/39,405,497.40 = 18,693,397.20/x - Step 3: Cross multiply
26,214,344.40x = 39,405,497.40 × 18,693,397.20 - Step 4: Simplify right side
26,214,344.40x = 736,622,614,761,767.25 - Step 5: Solve for x
x = 736,622,614,761,767.25/26,214,344.40 - Step 6: Final answer
x = 28,099,982.34
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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.