Finding the Fourth Proportional to 18,453,637.76, 27,681,225.73 and 6,331,439.39
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Solution
The fourth proportional to 18,453,637.76, 27,681,225.73 and 6,331,439.39 is: 9,497,422.95
Step by Step Solution
- Step 1: Write the proportion equation
18,453,637.76 : 27,681,225.73 = 6,331,439.39 : x - Step 2: Convert to fraction form
18,453,637.76/27,681,225.73 = 6,331,439.39/x - Step 3: Cross multiply
18,453,637.76x = 27,681,225.73 × 6,331,439.39 - Step 4: Simplify right side
18,453,637.76x = 175,262,002,796,168.78 - Step 5: Solve for x
x = 175,262,002,796,168.78/18,453,637.76 - Step 6: Final answer
x = 9,497,422.95
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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.