Finding the Fourth Proportional to 19,102,138.65, 26,377,335.90 and 18,484,439.00
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Solution
The fourth proportional to 19,102,138.65, 26,377,335.90 and 18,484,439.00 is: 25,524,380.55
Step by Step Solution
- Step 1: Write the proportion equation
19,102,138.65 : 26,377,335.90 = 18,484,439.00 : x - Step 2: Convert to fraction form
19,102,138.65/26,377,335.90 = 18,484,439.00/x - Step 3: Cross multiply
19,102,138.65x = 26,377,335.90 × 18,484,439.00 - Step 4: Simplify right side
19,102,138.65x = 487,570,256,294,173.44 - Step 5: Solve for x
x = 487,570,256,294,173.44/19,102,138.65 - Step 6: Final answer
x = 25,524,380.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.