Finding the Fourth Proportional to 26,751,327.40, 40,139,432.70 and 13,986,245.80
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Solution
The fourth proportional to 26,751,327.40, 40,139,432.70 and 13,986,245.80 is: 20,985,873.47
Step by Step Solution
- Step 1: Write the proportion equation
26,751,327.40 : 40,139,432.70 = 13,986,245.80 : x - Step 2: Convert to fraction form
26,751,327.40/40,139,432.70 = 13,986,245.80/x - Step 3: Cross multiply
26,751,327.40x = 40,139,432.70 × 13,986,245.80 - Step 4: Simplify right side
26,751,327.40x = 561,399,972,014,757.75 - Step 5: Solve for x
x = 561,399,972,014,757.75/26,751,327.40 - Step 6: Final answer
x = 20,985,873.47
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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.