Finding the Fourth Proportional to 19,474,516.18, 26,872,490.96 and 11,217,263.94
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Solution
The fourth proportional to 19,474,516.18, 26,872,490.96 and 11,217,263.94 is: 15,478,475.62
Step by Step Solution
- Step 1: Write the proportion equation
19,474,516.18 : 26,872,490.96 = 11,217,263.94 : x - Step 2: Convert to fraction form
19,474,516.18/26,872,490.96 = 11,217,263.94/x - Step 3: Cross multiply
19,474,516.18x = 26,872,490.96 × 11,217,263.94 - Step 4: Simplify right side
19,474,516.18x = 301,435,823,823,584 - Step 5: Solve for x
x = 301,435,823,823,584/19,474,516.18 - Step 6: Final answer
x = 15,478,475.62
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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.