Finding the Fourth Proportional to 26,306,212.40, 39,403,331.40 and 21,827,236.40
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Solution
The fourth proportional to 26,306,212.40, 39,403,331.40 and 21,827,236.40 is: 32,694,399.95
Step by Step Solution
- Step 1: Write the proportion equation
26,306,212.40 : 39,403,331.40 = 21,827,236.40 : x - Step 2: Convert to fraction form
26,306,212.40/39,403,331.40 = 21,827,236.40/x - Step 3: Cross multiply
26,306,212.40x = 39,403,331.40 × 21,827,236.40 - Step 4: Simplify right side
26,306,212.40x = 860,065,829,415,342.88 - Step 5: Solve for x
x = 860,065,829,415,342.88/26,306,212.40 - Step 6: Final answer
x = 32,694,399.95
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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.