Finding the Fourth Proportional to 19,474,292.70, 26,867,996.55 and 11,214,176.94
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Solution
The fourth proportional to 19,474,292.70, 26,867,996.55 and 11,214,176.94 is: 15,471,805.42
Step by Step Solution
- Step 1: Write the proportion equation
19,474,292.70 : 26,867,996.55 = 11,214,176.94 : x - Step 2: Convert to fraction form
19,474,292.70/26,867,996.55 = 11,214,176.94/x - Step 3: Cross multiply
19,474,292.70x = 26,867,996.55 × 11,214,176.94 - Step 4: Simplify right side
19,474,292.70x = 301,302,467,335,009.56 - Step 5: Solve for x
x = 301,302,467,335,009.56/19,474,292.70 - Step 6: Final answer
x = 15,471,805.42
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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.