Finding the Fourth Proportional to 7,498,436.49, 11,247,654.74 and 2,106,869.13
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Solution
The fourth proportional to 7,498,436.49, 11,247,654.74 and 2,106,869.13 is: 3,160,303.70
Step by Step Solution
- Step 1: Write the proportion equation
7,498,436.49 : 11,247,654.74 = 2,106,869.13 : x - Step 2: Convert to fraction form
7,498,436.49/11,247,654.74 = 2,106,869.13/x - Step 3: Cross multiply
7,498,436.49x = 11,247,654.74 × 2,106,869.13 - Step 4: Simplify right side
7,498,436.49x = 23,697,336,546,069.83 - Step 5: Solve for x
x = 23,697,336,546,069.83/7,498,436.49 - Step 6: Final answer
x = 3,160,303.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.