Finding the Fourth Proportional to 18,915,824.24, 28,377,726.76 and 6,135,336.56
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Solution
The fourth proportional to 18,915,824.24, 28,377,726.76 and 6,135,336.56 is: 9,204,299.12
Step by Step Solution
- Step 1: Write the proportion equation
18,915,824.24 : 28,377,726.76 = 6,135,336.56 : x - Step 2: Convert to fraction form
18,915,824.24/28,377,726.76 = 6,135,336.56/x - Step 3: Cross multiply
18,915,824.24x = 28,377,726.76 × 6,135,336.56 - Step 4: Simplify right side
18,915,824.24x = 174,106,904,480,318.34 - Step 5: Solve for x
x = 174,106,904,480,318.34/18,915,824.24 - Step 6: Final answer
x = 9,204,299.12
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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.