Finding the Fourth Proportional to 18,445,099.20, 27,667,648.80 and 16,372,479.30
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Solution
The fourth proportional to 18,445,099.20, 27,667,648.80 and 16,372,479.30 is: 24,558,718.95
Step by Step Solution
- Step 1: Write the proportion equation
18,445,099.20 : 27,667,648.80 = 16,372,479.30 : x - Step 2: Convert to fraction form
18,445,099.20/27,667,648.80 = 16,372,479.30/x - Step 3: Cross multiply
18,445,099.20x = 27,667,648.80 × 16,372,479.30 - Step 4: Simplify right side
18,445,099.20x = 452,988,007,257,669.88 - Step 5: Solve for x
x = 452,988,007,257,669.88/18,445,099.20 - Step 6: Final answer
x = 24,558,718.95
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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.