Finding the Fourth Proportional to 19,909,794.12, 27,474,470.76 and 11,207,677.38
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Solution
The fourth proportional to 19,909,794.12, 27,474,470.76 and 11,207,677.38 is: 15,466,006.46
Step by Step Solution
- Step 1: Write the proportion equation
19,909,794.12 : 27,474,470.76 = 11,207,677.38 : x - Step 2: Convert to fraction form
19,909,794.12/27,474,470.76 = 11,207,677.38/x - Step 3: Cross multiply
19,909,794.12x = 27,474,470.76 × 11,207,677.38 - Step 4: Simplify right side
19,909,794.12x = 307,925,004,464,323.44 - Step 5: Solve for x
x = 307,925,004,464,323.44/19,909,794.12 - Step 6: Final answer
x = 15,466,006.46
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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.