Finding the Fourth Proportional to 19,545,278.69, 26,972,474.06 and 10,724,787.92
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Solution
The fourth proportional to 19,545,278.69, 26,972,474.06 and 10,724,787.92 is: 14,800,201.55
Step by Step Solution
- Step 1: Write the proportion equation
19,545,278.69 : 26,972,474.06 = 10,724,787.92 : x - Step 2: Convert to fraction form
19,545,278.69/26,972,474.06 = 10,724,787.92/x - Step 3: Cross multiply
19,545,278.69x = 26,972,474.06 × 10,724,787.92 - Step 4: Simplify right side
19,545,278.69x = 289,274,064,065,444.50 - Step 5: Solve for x
x = 289,274,064,065,444.50/19,545,278.69 - Step 6: Final answer
x = 14,800,201.55
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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.