Finding the Fourth Proportional to 26,693,670.96, 36,836,778.24 and 15,091,237.98
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Solution
The fourth proportional to 26,693,670.96, 36,836,778.24 and 15,091,237.98 is: 20,825,632.70
Step by Step Solution
- Step 1: Write the proportion equation
26,693,670.96 : 36,836,778.24 = 15,091,237.98 : x - Step 2: Convert to fraction form
26,693,670.96/36,836,778.24 = 15,091,237.98/x - Step 3: Cross multiply
26,693,670.96x = 36,836,778.24 × 15,091,237.98 - Step 4: Simplify right side
26,693,670.96x = 555,912,586,836,325.62 - Step 5: Solve for x
x = 555,912,586,836,325.62/26,693,670.96 - Step 6: Final answer
x = 20,825,632.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.