Finding the Fourth Proportional to 12,483,848.70, 18,726,291.45 and 3,963,944.70
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Solution
The fourth proportional to 12,483,848.70, 18,726,291.45 and 3,963,944.70 is: 5,946,081.66
Step by Step Solution
- Step 1: Write the proportion equation
12,483,848.70 : 18,726,291.45 = 3,963,944.70 : x - Step 2: Convert to fraction form
12,483,848.70/18,726,291.45 = 3,963,944.70/x - Step 3: Cross multiply
12,483,848.70x = 18,726,291.45 × 3,963,944.70 - Step 4: Simplify right side
12,483,848.70x = 74,229,983,743,882.81 - Step 5: Solve for x
x = 74,229,983,743,882.81/12,483,848.70 - Step 6: Final answer
x = 5,946,081.66
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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.