Finding the Fourth Proportional to 11,040,894.54, 15,235,700.40 and 6,145,990.79
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Solution
The fourth proportional to 11,040,894.54, 15,235,700.40 and 6,145,990.79 is: 8,481,058.66
Step by Step Solution
- Step 1: Write the proportion equation
11,040,894.54 : 15,235,700.40 = 6,145,990.79 : x - Step 2: Convert to fraction form
11,040,894.54/15,235,700.40 = 6,145,990.79/x - Step 3: Cross multiply
11,040,894.54x = 15,235,700.40 × 6,145,990.79 - Step 4: Simplify right side
11,040,894.54x = 93,638,474,261,420.81 - Step 5: Solve for x
x = 93,638,474,261,420.81/11,040,894.54 - Step 6: Final answer
x = 8,481,058.66
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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.